No antibiotics worked, so this woman turned to a natural enemy of bacteria to save her husband’s life | CNN



CNN
 — 

In February 2016, infectious disease epidemiologist Steffanie Strathdee was holding her dying husband’s hand, watching him lose an exhausting fight against a deadly superbug infection.

After months of ups and downs, doctors had just told her that her husband, Tom Patterson, was too racked with bacteria to live.

“I told him, ‘Honey, we’re running out of time. I need to know if you want to live. I don’t even know if you can hear me, but if you can hear me and you want to live, please squeeze my hand.’

“All of a sudden, he squeezed really hard. And I thought, ‘Oh, great!’ And then I’m thinking, ‘Oh, crap! What am I going to do?’”

What she accomplished next could easily be called miraculous. First, Strathdee found an obscure treatment that offered a glimmer of hope — fighting superbugs with phages, viruses created by nature to eat bacteria.

Then she convinced phage scientists around the country to hunt and peck through molecular haystacks of sewage, bogs, ponds, the bilge of boats and other prime breeding grounds for bacteria and their viral opponents. The impossible goal: quickly find the few, exquisitely unique phages capable of fighting a specific strain of antibiotic-resistant bacteria literally eating her husband alive.

Next, the US Food and Drug Administration had to greenlight this unproven cocktail of hope, and scientists had to purify the mixture so that it wouldn’t be deadly.

Yet just three weeks later, Strathdee watched doctors intravenously inject the mixture into her husband’s body — and save his life.

Their story is one of unrelenting perseverance and unbelievable good fortune. It’s a glowing tribute to the immense kindness of strangers. And it’s a story that just might save countless lives from the growing threat of antibiotic-resistant superbugs — maybe even your own.

“It’s estimated that by 2050, 10 million people per year — that’s one person every three seconds — is going to be dying from a superbug infection,” Strathdee told an audience at Life Itself, a 2022 health and wellness event presented in partnership with CNN.

“I’m here to tell you that the enemy of my enemy can be my friend. Viruses can be medicine.”

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How this ‘perfect predator’ saved his life after nine months in the hospital

During a Thanksgiving cruise on the Nile in 2015, Patterson was suddenly felled by severe stomach cramps. When a clinic in Egypt failed to help his worsening symptoms, Patterson was flown to Germany, where doctors discovered a grapefruit-size abdominal abscess filled with Acinetobacter baumannii, a virulent bacterium resistant to nearly all antibiotics.

Found in the sands of the Middle East, the bacteria were blown into the wounds of American troops hit by roadside bombs during the Iraq War, earning the pathogen the nickname “Iraqibacter.”

“Veterans would get shrapnel in their legs and bodies from IED explosions and were medevaced home to convalesce,” Strathdee told CNN, referring to improvised explosive devices. “Unfortunately, they brought their superbug with them. Sadly, many of them survived the bomb blasts but died from this deadly bacterium.”

Today, Acinetobacter baumannii tops the World Health Organization’s list of dangerous pathogens for which new antibiotics are critically needed.

“It’s something of a bacterial kleptomaniac. It’s really good at stealing antimicrobial resistance genes from other bacteria,” Strathdee said. “I started to realize that my husband was a lot sicker than I thought and that modern medicine had run out of antibiotics to treat him.”

With the bacteria growing unchecked inside him, Patterson was soon medevaced to the couple’s hometown of San Diego, where he was a professor of psychiatry and Strathdee was the associate dean of global health sciences at the University of California, San Diego.

“Tom was on a roller coaster — he’d get better for a few days, and then there would be a deterioration, and he would be very ill,” said Dr. Robert “Chip” Schooley, a leading infectious disease specialist at UC San Diego who was a longtime friend and colleague. As weeks turned into months, “Tom began developing multi-organ failure. He was sick enough that we could lose him any day.”

Patterson's body was systemically infected with a virulent drug-resistant bacteria that also infected troops in the Iraq War, earning the pathogen the nickname

After that reassuring hand squeeze from her husband, Strathdee sprang into action. Scouring the internet, she had already stumbled across a study by a Tbilisi, Georgia, researcher on the use of phages for treatment of drug-resistant bacteria.

A phone call later, Strathdee discovered phage treatment was well established in former Soviet bloc countries but had been discounted long ago as “fringe science” in the West.

“Phages are everywhere. There’s 10 million trillion trillion — that’s 10 to the power of 31 — phages that are thought to be on the planet,” Strathdee said. “They’re in soil, they’re in water, in our oceans and in our bodies, where they are the gatekeepers that keep our bacterial numbers in check. But you have to find the right phage to kill the bacterium that is causing the trouble.”

Buoyed by her newfound knowledge, Strathdee began reaching out to scientists who worked with phages: “I wrote cold emails to total strangers, begging them for help,” she said at Life Itself.

One stranger who quickly answered was Texas A&M University biochemist Ryland Young. He’d been working with phages for over 45 years.

“You know the word persuasive? There’s nobody as persuasive as Steffanie,” said Young, a professor of biochemistry and biophysics who runs the lab at the university’s Center for Phage Technology. “We just dropped everything. No exaggeration, people were literally working 24/7, screening 100 different environmental samples to find just a couple of new phages.”

While the Texas lab burned the midnight oil, Schooley tried to obtain FDA approval for the injection of the phage cocktail into Patterson. Because phage therapy has not undergone clinical trials in the United States, each case of “compassionate use” required a good deal of documentation. It’s a process that can consume precious time.

But the woman who answered the phone at the FDA said, “‘No problem. This is what you need, and we can arrange that,’” Schooley recalled. “And then she tells me she has friends in the Navy that might be able to find some phages for us as well.”

In fact, the US Naval Medical Research Center had banks of phages gathered from seaports around the world. Scientists there began to hunt for a match, “and it wasn’t long before they found a few phages that appeared to be active against the bacterium,” Strathdee said.

Dr. Robert

Back in Texas, Young and his team had also gotten lucky. They found four promising phages that ravaged Patterson’s antibiotic-resistant bacteria in a test tube. Now the hard part began — figuring out how to separate the victorious phages from the soup of bacterial toxins left behind.

“You put one virus particle into a culture, you go home for lunch, and if you’re lucky, you come back to a big shaking, liquid mess of dead bacteria parts among billions and billions of the virus,” Young said. “You want to inject those virus particles into the human bloodstream, but you’re starting with bacterial goo that’s just horrible. You would not want that injected into your body.”

Purifying phage to be given intravenously was a process that no one had yet perfected in the US, Schooley said, “but both the Navy and Texas A&M got busy, and using different approaches figured out how to clean the phages to the point they could be given safely.”

More hurdles: Legal staff at Texas A&M expressed concern about future lawsuits. “I remember the lawyer saying to me, ‘Let me see if I get this straight. You want to send unapproved viruses from this lab to be injected into a person who will probably die.’ And I said, “Yeah, that’s about it,’” Young said.

“But Stephanie literally had speed dial numbers for the chancellor and all the people involved in human experimentation at UC San Diego. After she calls them, they basically called their counterparts at A&M, and suddenly they all began to work together,” Young added.

“It was like the parting of the Red Sea — all the paperwork and hesitation disappeared.”

The purified cocktail from Young’s lab was the first to arrive in San Diego. Strathdee watched as doctors injected the Texas phages into the pus-filled abscesses in Patterson’s abdomen before settling down for the agonizing wait.

“We started with the abscesses because we didn’t know what would happen, and we didn’t want to kill him,” Schooley said. “We didn’t see any negative side effects; in fact, Tom seemed to be stabilizing a bit, so we continued the therapy every two hours.”

Two days later, the Navy cocktail arrived. Those phages were injected into Patterson’s bloodstream to tackle the bacteria that had spread to the rest of his body.

“We believe Tom was the first person to receive intravenous phage therapy to treat a systemic superbug infection in the US,” Strathdee told CNN.

“And three days later, Tom lifted his head off the pillow out of a deep coma and kissed his daughter’s hand. It was just miraculous.”

Patterson awoke from a coma after receiving an intravenous dose of phages tailored to his bacteria.

Today, nearly eight years later, Patterson is happily retired, walking 3 miles a day and gardening. But the long illness took its toll: He was diagnosed with diabetes and is now insulin dependent, with mild heart damage and gastrointestinal issues that affect his diet.

“He isn’t back surfing again, because he can’t feel the bottoms of his feet, and he did get Covid-19 in April that landed him in the hospital because the bottoms of his lungs are essentially dead,” Strathdee said.

“As soon as the infection hit his lungs he couldn’t breathe and I had to rush him to the hospital, so that was scary,” she said. “He remains high risk for Covid but we’re not letting that hold us hostage at home. He says, ‘I want to go back to having as normal life as fast as possible.’”

To prove it, the couple are again traveling the world — they recently returned from a 12-day trip to Argentina.

“We traveled with a friend who is an infectious disease doctor, which gave me peace of mind to know that if anything went sideways, we’d have an expert at hand,” Strathdee said.

“I guess I’m a bit of a helicopter wife in that sense. Still, we’ve traveled to Costa Rica a couple of times, we’ve been to Africa, and we’re planning to go to Chile in January.”

Patterson’s case was published in the journal Antimicrobial Agents and Chemotherapy in 2017, jump-starting new scientific interest in phage therapy.

“There’s been an explosion of clinical trials that are going on now in phage (science) around the world and there’s phage programs in Canada, the UK, Australia, Belgium, Sweden, Switzerland, India and China has a new one, so it’s really catching on,” Strathdee told CNN.

Some of the work is focused on the interplay between phages and antibiotics — as bacteria battle phages they often shed their outer shell to keep the enemy from docking and gaining access for the kill. When that happens, the bacteria may be suddenly vulnerable to antibiotics again.

“We don’t think phages are ever going to entirely replace antibiotics, but they will be a good adjunct to antibiotics. And in fact, they can even make antibiotics work better,” Strathdee said.

In San Diego, Strathdee and Schooley opened the Center for Innovative Phage Applications and Therapeutics, or IPATH, in 2018, where they treat or counsel patients suffering from multidrug-resistant infections. The center’s success rate is high, with 82% of patients undergoing phage therapy experiencing a clinically successful outcome, according to its website.

Schooley is running a clinical trial using phages to treat patients with cystic fibrosis who constantly battle Pseudomonas aeruginosa, a drug-resistant bacteria that was also responsible for the recent illness and deaths connected to contaminated eye drops manufactured in India.

And a memoir the couple published in 2019 — “The Perfect Predator: A Scientist’s Race to Save Her Husband From a Deadly Superbug” — is also spreading the word about these “perfect predators” to what may soon be the next generation of phage hunters.

VS Phages Sanjay Steffanie

How naturally occurring viruses could help treat superbug infections

“I am getting increasingly contacted by students, some as young as 12,” Strathdee said. “There’s a girl in San Francisco who begged her mother to read this book and now she’s doing a science project on phage-antibiotic synergy, and she’s in eighth grade. That thrills me.”

Strathdee is quick to acknowledge the many people who helped save her husband’s life. But those who were along for the ride told CNN that she and Patterson made the difference.

“I think it was a historical accident that could have only happened to Steffanie and Tom,” Young said. “They were at UC San Diego, which is one of the premier universities in the country. They worked with a brilliant infectious disease doctor who said, ‘Yes,’ to phage therapy when most physicians would’ve said, ‘Hell, no, I won’t do that.’

“And then there is Steffanie’s passion and energy — it’s hard to explain until she’s focused it on you. It was like a spiderweb; she was in the middle and pulled on strings,” Young added. “It was just meant to be because of her, I think.”

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Nearly two years after Texas’ six-week abortion ban, more infants are dying | CNN



CNN
 — 

Texas’ abortion restrictions – some of the strictest in the country – may be fueling a sudden spike in infant mortality as women are forced to carry nonviable pregnancies to term.

Some 2,200 infants died in Texas in 2022 – an increase of 227 deaths, or 11.5%, over the previous year, according to preliminary infant mortality data CNN obtained through a public records request. Infant deaths caused by severe genetic and birth defects rose by 21.6%. That spike reversed a nearly decade-long decline. Between 2014 and 2021, infant deaths had fallen by nearly 15%.

In 2021, Texas banned abortions beyond six weeks of pregnancy. When the Supreme Court overturned federal abortion rights the following summer, a trigger law in the state banned all abortions other than those intended to protect the life of the mother.

The increase in deaths could partly be explained by the fact that more babies are being born in Texas. One recent report found that in the final nine months of 2022, the state saw nearly 10,000 more births than expected prior to its abortion ban – an estimated 3% increase.

But multiple obstetrician-gynecologists who focus on high-risk pregnancies told CNN that Texas’ strict abortion laws likely contributed to the uptick in infant deaths.

“We all knew the infant mortality rate would go up, because many of these terminations were for pregnancies that don’t turn into healthy normal kids,” said Dr. Erika Werner, the chair of obstetrics and gynecology at Tufts Medical Center. “It’s exactly what we all were concerned about.”

The issue of forcing women to carry out terminal and often high-risk pregnancies is at the core of a lawsuit filed by the Center for Reproductive Rights, with several women – who suffered difficult pregnancies or infant deaths shortly after giving birth – testifying in Travis County court this week.

Prior to the recent abortion restrictions, Texas banned the procedure after 20 weeks. This law gave parents more time to learn crucial information about a fetus’s brain formation and organ development, which doctors begin to test for at around 15 weeks.

Samantha Casiano, a plaintiff in the suit filed against Texas, wished she’d had more time to make the decision.

“If I was able to get the abortion with that time, I think it would have meant a lot to me because my daughter wouldn’t have suffered,” Casiano said.

When Casiano was 20 weeks pregnant, a routine scan came back with devastating news: Her baby would be stillborn or die shortly after birth.

The fetus had anencephaly, a rare birth defect that keeps the brain and skull from developing during pregnancy. Babies with this condition are often stillborn, though they sometimes live a few hours or days. Many women around the country who face the prospect choose abortion, two obstetrician-gynecologists told CNN.

But Casiano lived in Texas, where state legislators had recently banned most abortions after six weeks of pregnancy. She couldn’t afford to travel out of the state for the procedure.

“You have no options. You will have to go through with your pregnancy,” Casiano’s doctor told her, she claimed in the lawsuit.

In March, Casiano gave birth to her daughter Halo. After gasping for air for four hours, the baby died, Casiano said during her testimony on Wednesday.

“All she could do was fight to try to get air. I had to watch my daughter go from being pink to red to purple. From being warm to cold,” said Casiano. “I just kept telling myself and my baby that I’m so sorry that this had to happen to you.”

Casiano and 14 others – including two doctors – are plaintiffs in the lawsuit. They allege the abortion ban has denied them or their patients access to necessary obstetrical care. The plaintiffs are asking the courts to clarify when doctors can make medical exceptions to the state’s ban.

Casiano and two other plaintiffs testified Wednesday about hoping to deliver healthy babies but instead learning their lives or pregnancies were in danger.

 Plaintiffs Anna Zargarian, Lauren Miller, Lauren Hall, and Amanda Zurawski at the Texas State Capitol after filing a lawsuit on behalf of Texans harmed by the state's abortion ban on March 7 in Austin, Texas.

“This was just supposed to be a scan day,” Casiano told the court. “It escalated to me finding out my daughter was going to die.”

Lawyers representing the state argued Wednesday that the plaintiffs’ doctors were to blame, saying they misinterpreted the law and failed to provide adequate care for such high-risk pregnancies.

“Plaintiffs will not and cannot provide any evidence of any medical provider in the state of Texas being prosecuted or otherwise penalized for performance of an abortion using the emergency medical exemption,” a lawyer said during the state’s opening statement.

Kylie Beaton, another plaintiff, also had to watch her baby die. Beaton, who didn’t testify this week, learned during a 20-week scan that something was wrong with her baby’s brain, according to the suit.

The doctor diagnosed the fetus with alobar holoprosencephaly, a condition where the two hemispheres of the brain don’t properly divide. Babies with this condition are often stillborn or die soon after birth.

Beaton’s doctor told her he couldn’t provide an abortion unless she was severely ill, or the fetus’s heart stopped. Beaton and her husband sought to obtain an abortion out of state. However, the fetus’s head was enlarged due to its condition, and the only clinic that would perform an abortion charged up to $15,000. Beaton and her husband couldn’t afford it.

Instead, Beaton gave birth to a son she named Grant. The baby cried constantly, wouldn’t eat, and couldn’t be held upright for fear it would put too much pressure on his head, according to the suit. Four days later, Grant died.

Amanda Zurawski of Austin, Texas, center, is the lead plaintiff in the lawsuit.

Experts say that abortion bans in states like Texas lead to increased risk for both babies and mothers.

Maternal mortality has long been a top concern for doctors and health-rights activists. Even before the Supreme Court decision, the United States had the highest maternal mortality rate among wealthy nations, one study found.

Amanda Zurawski, the lawsuit’s lead plaintiff, testified Wednesday that her water broke 18 weeks into her pregnancy, putting her at high risk for a life-threatening infection. Zurawski’s baby likely wouldn’t survive.

But the fetus still had a heartbeat, and so doctors said they were unable to terminate the pregnancy. She received an emergency abortion only after her condition worsened and she went into septic shock.

Zurawski described during Wednesday’s hearing how her family visited the hospital, fearing it would be the last time they would see her. Zurawski has argued that had she been able to obtain an abortion, her life wouldn’t have been in jeopardy in the same way.

“I blame the people who support these bans,” Zurawski said.

Zurawski previously said the language in Texas’ abortion laws is “incredibly vague, and it leaves doctors grappling with what they can and cannot do, what health care they can and cannot provide.”

Pregnancy is dangerous, and forcing a woman to carry a non-viable pregnancy to term is unnecessarily risky when it’s clear the baby will not survive, argued Dr. Mae-Lan Winchester, an Ohio maternal-fetal medicine specialist.

“Pregnancy is one of the most dangerous things a person will ever go through,” Winchester said. “Putting yourself through that risk without any benefit of taking a baby home at the end, it’s … risking maternal morbidity and mortality for nothing.”

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A 45-year-old got pregnant in a state with a ban on abortions. She flew across the country to get one | CNN



CNN
 — 

When 45-year-old Victoria realized she was five weeks late and the lines showed as positive on two pregnancy tests, the New Orleans resident dreamed up a plan to get an abortion.

Traveling out of state was the only abortion option for Victoria, who asked CNN to withhold her last name out of fear of backlash against her and her family. Louisiana is one of several states that have essentially banned all abortions.

“It was probably one of the hardest things I’ve had to go through, from the moment of discovering that I was pregnant at age 45 to actually having to have to take time off work, travel across the country, do a meeting with a doctor, and then take the pills and then skedaddle back home and then go to work like nothing had happened,” Victoria told CNN of her experience earlier this year.

Victoria’s story about the distance she traveled and the hardships she endured to get an abortion reflects a wider American reality, where women seeking the procedure must navigate through a patchwork of states with varying levels of access.

The average travel time to an abortion facility more than tripled, from less than 30 minutes to more than an hour and a half, after the US Supreme Court overturned Roe v. Wade in 2022, according to a November study in the Journal of the American Medical Association. And for women in Texas and Louisiana, average travel times to the nearest abortion facility were seven hours longer – almost a full workday in travel time to get an abortion.

Victoria says she was grateful she could drop everything and afford to spend $1,000 for the procedure, including same-week airfare with connections both ways and appointment and medication fees.

“It was so hard for me wrap my head around the fact that I was able to do this, but I’m one of the lucky ones and that there are so many women who are in much tighter positions,” Victoria said. “And, God, what are they going to do?”

Victoria says plans materialized quickly once she knew which states seemed more accessible.

She researched the parameters for abortion in a state, how long she would have to take off work, travel options and how soon she could get an appointment. She found abortionfinder.org to be a helpful and reliable source, she says.

“Because the situation is so fluid, it changes from day to day, that was really of paramount importance for me to be able to have a reliable source of information,” she said.

Driving to a neighboring state was not an option, as every state adjoining Louisiana has a similarly restrictive law that bans virtually all abortions. Victoria says she considered close states, like Florida, but she ultimately dismissed them because available appointments were farther out.

“Once I saw that Oregon was so, so protective of reproductive rights, I said, ‘Why would I think about going anywhere else?’” she said. “The second I got the definitive pregnancy result, I was like, ‘OK, let’s book a flight to Oregon. When can we do this?’”

She reached out to a friend from college and asked if she could stay with her, detailing the reason for her visit. She then made an appointment and booked a flight for that week, she says.

The provider sent instructions, including that the patient must be in Oregon for the telehealth appointment, according to documents provided to CNN. They contacted her within an hour of making the appointment to make sure she had proof of travel documents because she had made it from Louisiana, where the procedure is illegal.

Victoria planned to take a day off to fly across the country and work remotely for two days, which fits her hybrid work situation. She says she was grateful to have a supportive, female boss who showed understanding for why she had to take the unexpected time off.

“She was the only person I actually kind of broke down and cried for,” Victoria said. “I think it’s because I had been holding it back all week, and telling her was sort of the last thing that I needed to get in place before I could do everything.”

Victoria says the hardest part of her experience was telling her mother because she didn’t know how her mom would feel about it. Victoria and her siblings were raised Catholic. Her father had a strong faith and her mother was a non-practicing Catholic, her mother says. Victoria’s mom asked not to be named for privacy reasons.

Victoria’s mother says she wanted to support her daughter, even if she does not agree with what her daughter did. Victoria coming to her with tickets purchased and a full plan made it easy for her mother to support her, the mother says.

“I agreed to drive her to the airport and that that was the only thing I could do because this would be a real game-changing thing in her life,” her mother said. “I wanted to support what she wanted to do because she has supported me on several family crises. I just wanted to do it because I love her. “

Victoria said she appreciated her mom for being supportive in a way she didn’t expect. They talked about some of her mother’s friends who had abortions throughout the years, both say. Victoria’s mother even told her about when she tried to get her tubes tied, but her husband found out and she did not pursue it.

“I feel like, if anything, it’s made our relationship stronger,” Victoria said. “We already had a fantastically strong relationship, though. So, it’s another rock in the wall.”

After boarding early on a Wednesday in March, Victoria traveled for eight hours on two flights and landed in Portland, Oregon.

Victoria reunited with her friend, and they did the things that old friends do, from staying up late talking about college memories to talking about why Victoria was there. They both described the situation as surreal.

“The vast majority of reproductive conversations I have with friends at this point are people who are trying desperately to get pregnant,” said her friend, Emily, who asked that CNN not use her last name to keep Victoria’s privacy. “The sort of irony is that there could still be an unplanned pregnancy and it would still be just as devastating as it would have been when we were in our teens and twenties was kind of a shock to me.”

Emily, who has been friends with Victoria for about 25 years, says it took so little effort for her to drive to the airport and let her friend stay with her.

“I felt honored that she trusted me,” she said. “I was really proud of Victoria. I was impressed that she had taken this in stride and that she had reached out to someone she knew – I think a lot of people would have been ashamed or hidden it.”

After the telehealth appointment the next day, Victoria received an overnight package.

Victoria took two medications as part of a medication abortion. She took mifepristone at her friend’s home. The next day she took misoprostol before boarding her flight home – she was careful not to take them in her home state, where it’s illegal.

Misoprostol, taken after mifepristone, is a common combination prescribed for a medication abortion.

“It was like a heavy period,” she said. “I took some Aleve, had to get some extra jumbo pads, and I bled a lot on the flights home, but it was fine.”

Physically, she felt fine – it was more of what was happening psychologically that she noticed, she says.

“I had this feeling that I should be having some kind of deep, psychological moment of reckoning or something, but I didn’t really feel that,” Victoria said of the experience. “I’ve never wanted to have a kid. I wasn’t torn about this decision.”

When Victoria learned she was pregnant, a big part of the shock came from not thinking she could get pregnant at age 45, she says.

“You hear so much culturally out there about you’re in your forties, are told you’re too old to get pregnant and carry a child to term,” she said. “I feel like I had sort of a false sense of security.”

Victoria joked that she’s “careening toward menopause,” but she says she has not been diagnosed as perimenopausal.

Her pregnancy news came several months after she was treated for a uterine fibroid, a benign growth, in July 2022, according to medical records. Victoria also tested positive for a PALB2 gene mutation, which can lead to an increased chance of breast cancer, according to a study in the New England Journal of Medicine. She underwent a preventative double mastectomy and reconstruction earlier in 2022, according to medical records provided to CNN.

She says she got an excellent standard of care around her surgeries, but it felt dissonant with her state’s laws around abortion.

“It felt so surreal to get this really high standard of care around my secondary sexual characteristics, but then to have that freeze, slam shut when it comes to reproductive health, it just felt abrupt,” she said.

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Ebola Fast Facts | CNN



CNN
 — 

Here’s a look at Ebola, a virus with a high fatality rate that was first identified in Africa in 1976.

Ebola hemorrhagic fever is a disease caused by one of five different Ebola viruses. Four of the strains can cause severe illness in humans and animals. The fifth, Reston virus, has caused illness in some animals, but not in humans.

The first human outbreaks occurred in 1976, one in northern Zaire (now Democratic Republic of the Congo) in central Africa: and the other, in southern Sudan (now South Sudan). The virus is named after the Ebola River, where the virus was first recognized in 1976, according to the Centers for Disease Control and Prevention (CDC).

Ebola is extremely infectious but not extremely contagious. It is infectious, because an infinitesimally small amount can cause illness. Laboratory experiments on nonhuman primates suggest that even a single virus may be enough to trigger a fatal infection.

Ebola is considered moderately contagious because the virus is not transmitted through the air.

Humans can be infected by other humans if they come in contact with body fluids from an infected person or contaminated objects from infected persons. Humans can also be exposed to the virus, for example, by butchering infected animals.

Symptoms of Ebola typically include: weakness, fever, aches, diarrhea, vomiting and stomach pain. Additional experiences include rash, red eyes, chest pain, throat soreness, difficulty breathing or swallowing and bleeding (including internal).

Typically, symptoms appear eight to 10 days after exposure to the virus, but the incubation period can span two to 21 days.

Ebola is not transmissible if someone is asymptomatic and usually not after someone has recovered from it. However, the virus has been found in the semen of men who have recovered from Ebola and possibly could be transmitted from contact with that semen.

There are five subspecies of the Ebola virus: Zaire ebolavirus (EBOV), Bundibugyo ebolavirus (BDBV), Sudan ebolavirus (SUDV), Taï Forest ebolavirus (TAFV) and Reston ebolavirus (RESTV).

Click here for the CDC’s list of known cases and outbreaks.

(Full historical timeline at bottom)

March 2014 – The CDC issues its initial announcement on an outbreak in Guinea, and reports of cases in Liberia and Sierra Leone.

April 16, 2014 – The New England Journal of Medicine publishes a report, speculating that the current outbreak’s Patient Zero was a 2-year-old from Guinea. The child died on December 6, 2013, followed by his mother, sister and grandmother over the next month.

August 8, 2014 – Experts at the World Health Organization (WHO) declare the Ebola epidemic ravaging West Africa an international health emergency that requires a coordinated global approach, describing it as the worst outbreak in the four-decade history of tracking the disease.

August 19, 2014 – Liberia’s President Ellen Johnson Sirleaf declares a nationwide curfew beginning August 20 and orders two communities to be completely quarantined, with no movement into or out of the areas.

September 16, 2014 – US President Barack Obama calls the efforts to combat the Ebola outbreak centered in West Africa “the largest international response in the history of the CDC.” Speaking from the CDC headquarters in Atlanta, Obama adds that “faced with this outbreak, the world is looking to” the United States to lead international efforts to combat the virus.

October 6, 2014 – A nurse’s assistant in Spain becomes the first person known to have contracted Ebola outside Africa in the current outbreak. The woman helped treat two Spanish missionaries, both of whom had contracted Ebola in West Africa, one in Liberia and the other in Sierra Leone. Both died after returning to Spain. On October 19, Spain’s Special Ebola Committee says that nurse’s aide Teresa Romero Ramos is considered free of the Ebola virus.

October 8, 2014 – Thomas Eric Duncan, a Liberian citizen who was visiting the United States, dies of Ebola in Dallas.

October 11, 2014 – Nina Pham, a Dallas nurse who cared for Duncan, tests positive for Ebola during a preliminary blood test. She is the first person to contract Ebola on American soil.

October 15, 2014 – Amber Vinson, a second Dallas nurse who cared for Duncan, is diagnosed with Ebola. Authorities say Vinson flew on a commercial jet from Cleveland to Dallas days before testing positive for Ebola.

October 20, 2014 – Under fire in the wake of Ebola cases involving two Dallas nurses, the CDC issues updated Ebola guidelines that stress the importance of more training and supervision, and recommend that no skin be exposed when workers are wearing personal protective equipment, or PPE.

October 23, 2014 – Craig Spencer, a 33-year-old doctor who recently returned from Guinea, tests positive for Ebola – the first case of the deadly virus in New York and the fourth diagnosed in the United States.

October 24, 2014 – In response to the New York Ebola case, the governors of New York and New Jersey announce that their states are stepping up airport screening beyond federal requirements for travelers from West Africa. The new protocol mandates a quarantine for any individual, including medical personnel, who has had direct contact with individuals infected with Ebola while in Liberia, Sierra Leone or Guinea. The policy allows the states to determine hospitalization or quarantine for up to 21 days for other travelers from affected countries.

January 18, 2015 – Mali is declared Ebola free after no new cases in 42 days.

February 22, 2015 – Liberia reopens its land border crossings shut down during the Ebola outbreak, and President Sirleaf also lifts a nationwide curfew imposed in August to help combat the virus.

May 9, 2015 – The WHO declares an end to the Ebola outbreak in Liberia. More than 4,000 people died.

November 2015 – Liberia’s health ministry says three new, confirmed cases of Ebola have emerged in the country.

December 29, 2015 – WHO declares Guinea is free of Ebola after 42 days pass since the last person confirmed to have the virus was tested negative for a second time.

January 14, 2016 – A statement is released by the UN stating that “For the first time since this devastating outbreak began, all known chains of transmission of Ebola in West Africa have been stopped and no new cases have been reported since the end of November.”

March 29, 2016 – The WHO director-general lifts the Public Health Emergency of International Concern related to the 2014-2016 Ebola outbreak in West Africa.

*Includes information about Ebola and other outbreaks resulting in more than 100 deaths or special cases.

1976 – First recognition of the EBOV disease is in Zaire (now Democratic Republic of the Congo). The outbreak has 318 reported human cases, leading to 280 deaths. An SUDV outbreak also occurs in Sudan (now South Sudan), which incurs 284 cases and 151 deaths.

1995 – An outbreak in the Democratic Republic of the Congo (DRC) leads to 315 reported cases and at least 250 deaths.

2000-2001 – A Ugandan outbreak (SUDV) results in 425 human cases and 224 deaths.

December 2002-April 2003 – An EBOV outbreak in ROC results in 143 reported cases and 128 deaths.

2007 – An EBOV outbreak occurs in the DRC, 187 of the 264 cases reported result in death. In late 2007, an outbreak in Uganda leads to 37 deaths, with 149 cases reported in total.

September 30, 2014 – Dr. Thomas Frieden, director of the CDC, announces the first diagnosed case of Ebola in the United States. The person has been hospitalized and isolated at Texas Health Presbyterian Hospital in Dallas since September 28.

July 31, 2015 – The CDC announces that a newly developed Ebola vaccine is “highly effective” and could help prevent its spread in the current and future outbreaks.

December 22, 2016 – The British medical journal The Lancet publishes a story about a new Ebola vaccine that tested 100% effective during trials of the drug. The study was conducted in Guinea with more than 11,000 people.

August 1, 2018 – The DRC’s Ministry of Health declares an Ebola virus outbreak in five health zones in North Kivu province and one health zone in Ituri province. On July 17, 2019, the WHO announces that the outbreak constitutes a public health emergency of international concern. On June 25, 2020, the DRC announces that the outbreak is officially over. A total of 3,481 cases were reported, including 2,299 deaths and 1,162 survivors.

August 12, 2019 – Two new Ebola treatments are proving so effective they are being offered to all patients in the DRC. Initial results found that 499 patients who received the two effective drugs had a higher chance of survival – the mortality rate for REGN-EB3 and mAb114 was 29% and 34% respectively. The two drugs worked even better for patients who were treated early – the mortality rate dropped to 6% for REGN-EB3 and 11% for mAb114, according to Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases and one of the researchers leading the trial.

December 19, 2019 – The US Food and Drug administration announces the approval of a vaccine for the prevention of the Ebola virus for the first time in the United States. The vaccine, Ervebo, was developed by Merck and protects against Ebola virus disease caused by Zaire ebolavirus in people 18 and older.

October 14, 2020 – Inmazeb (REGN-EB3), a mixture of three monoclonal antibodies, becomes the first FDA-approved treatment for the Ebola virus. In December, the FDA approves a second treatment, Ebanga (mAb114).

January 14, 2023 – Ugandan authorities officially declare the end of a recent Ebola outbreak after 42 consecutive days with no new cases.

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Stem Cells Fast Facts | CNN



CNN
 — 

Here is some background information about stem cells.

Scientists believe that stem cell research can be used to treat medical conditions including Parkinson’s disease, spinal cord injury, stroke, burns, heart disease, diabetes, osteoarthritis and rheumatoid arthritis.

Sources: National Institutes of Health, Mayo Clinic

Stem cell research focuses on embryonic stem cells and adult stem cells.

Stem cells have two characteristics that differentiate them from other types of cells:

– They are unspecialized cells that can replicate themselves through cell division over long periods of time.

– Stem cells can be manipulated, under certain conditions, to become mature cells with special functions, such as the beating cells of the heart muscle or insulin-producing cells of the pancreas.

There are many different types of stem cells, including: pluripotent stem cells and adult stem cells.
Pluripotent stem cells (ex: embryonic stem cells) can give rise to any type of cell in the body. These cells are like blank slates, and they have the potential to turn into any type of cell.
Adult stem cells can give rise to multiple types of cells, but are more limited compared with embryonic stem cells. They are more likely to generate within a particular tissue, organ or physiological system. (Ex: blood-forming stem cells/bone marrow cells, sometimes referred to as multipotent stem cells)

Embryonic stem cells are harvested from four to six-day-old embryos. These embryos are either leftover embryos in fertility clinics or embryos created specifically for harvesting stem cells by therapeutic cloning. Only South Korean scientists claim to have successfully created human embryos via therapeutic cloning and have harvested stem cells from them.

Adult stem cells are already designated for a certain organ or tissue. Some adult stem cells can be coaxed into or be reprogrammed into turning into a different type of specialized cell within the tissue type – for example, a heart stem cell can give rise to a functional heart muscle cell, but it is still unclear whether they can give rise to all different cell types of the body.

The primary role of adult stem cells is to maintain and repair the tissue in which they are found.

Regenerative medicine uses cell-based therapies to treat disease.

Scientists who research stem cells are trying to identify how undifferentiated stem cells become differentiated as serious medical conditions, such as cancer and birth defects, are due to abnormal cell division and differentiation.

Scientists believe stem cells can be used to generate cells and tissues that could be used for cell-based therapies as the need for donated organs and tissues outweighs the supply.

Stem cells, directed to differentiate into specific cell types, offer the possibility of a renewable source of replacement cells and tissues to treat diseases, including Alzheimer’s diseases.

Cloning human embryos for stem cells is very controversial.

The goal of therapeutic cloning research is not to make babies, but to make embryonic stem cells, which can be harvested and used for cell-based therapies.

Using fertilized eggs left over at fertility clinics is also controversial because removing the stem cells destroys them.

Questions of ethics arise because embryos are destroyed as the cells are extracted, such as: When does human life begin? What is the moral status of the human embryo?

1998 – President Bill Clinton requests a National Bioethics Advisory Commission to study the question of stem cell research.

1999 – The National Bioethics Advisory Commission recommends that the government allow federal funds to be used to support research on human embryonic stem cells.

2000 – During his campaign, George W. Bush says he opposes any research that involves the destruction of embryos.

2000 – The National Institutes of Health (NIH) issues guidelines for the use of embryonic stem cells in research, specifying that scientists receiving federal funds can use only extra embryos that would otherwise be discarded. President Clinton approves federal funding for stem cell research but Congress does not fund it.

August 9, 2001 – President Bush announces he will allow federal funding for about 60 existing stem cell lines created before this date.

January 18, 2002 – A panel of experts at the National Academy of Sciences (NAS) recommends a complete ban on human reproductive cloning, but supports so-called therapeutic cloning for medical purposes.

February 27, 2002 – For the second time in two years, the House passes a ban on all cloning of human embryos.

July 11, 2002 – The President’s Council on Bioethics recommends a four-year ban on cloning for medical research to allow time for debate.

February 2005 – South Korean scientist Hwang Woo Suk publishes a study in Science announcing he has successfully created stem cell lines using therapeutic cloning.

December 2005 – Experts from Seoul National University accuse Hwang of faking some of his research. Hwang asks to have his paper withdrawn while his work is being investigated and resigns his post.

January 10, 2006 – An investigative panel from Seoul National University accuses Hwang of faking his research.

July 18, 2006 – The Senate votes 63-37 to loosen President Bush’s limits on federal funding for embryonic stem-cell research.

July 19, 2006 – President Bush vetoes the embryonic stem-cell research bill passed by the Senate (the Stem Cell Research Enhancement Act of 2005), his first veto since taking office.

June 20, 2007 – President Bush vetoes the Stem Cell Research Enhancement Act of 2007.

January 23, 2009 – The FDA approves a request from Geron Corp. to test embryonic stem cells on eight to 10 patients with severe spinal cord injuries. This will be the world’s first test in humans of a therapy derived from human embryonic stem cells. The tests will use stem cells cultured from embryos left over in fertility clinics.

March 9, 2009 – President Barack Obama signs an executive order overturning an order signed by President Bush in August 2001 that barred the NIH from funding research on embryonic stem cells beyond using 60 cell lines that existed at that time.

August 23, 2010 – US District Judge Royce C. Lamberth issues a preliminary injunction that prohibits the federal funding of embryonic stem cell research.

September 9, 2010 – A three-judge panel of the US Court of Appeals for the District of Columbia Circuit grants a request from the Justice Department to lift a temporary injunction that blocked federal funding of stem cell research.

September 28, 2010 – The US Court of Appeals for the DC Circuit lifts an injunction imposed by a federal judge, thereby allowing federally funded embryonic stem-cell research to continue while the Obama Administration appeals the judge’s original ruling against use of public funds in such research.

October 8, 2010 – The first human is injected with cells from human embryonic stem cells in a clinical trial sponsored by Geron Corp.

November 22, 2010 – William Caldwell, CEO of Advanced Cell Technology, tells CNN that the FDA has granted approval for his company to start a clinical trial using cells grown from human embryonic stem cells. The treatment will be for an inherited degenerative eye disease.

April 29, 2011 – The US Court of Appeals for the District of Columbia lifts an injunction, imposed last year, banning the Obama administration from funding embryonic stem-cell research.

May 11, 2011 – Stem cell therapy in sports medicine is spotlighted after New York Yankees pitcher Bartolo Colon is revealed to have had fat and bone marrow stem cells injected into his injured elbow and shoulder while in the Dominican Republic.

July 27, 2011 – Judge Lamberth dismisses a lawsuit that tried to block funding of stem cell research on human embryos.

February 13, 2012 – Early research published by scientists at Cedars-Sinai Medical Center and Johns Hopkins University shows that a patient’s own stem cells can be used to regenerate heart tissue and help undo damage caused by a heart attack. It is the first instance of therapeutic regeneration.

May 2013 – Scientists make the first embryonic stem cell from human skin cells by reprogramming human skin cells back to their embryonic state, according to a study published in the journal, Cell.

April 2014 – For the first time scientists are able to use cloning technologies to generate stem cells that are genetically matched to adult patients,according to a study published in the journal, Cell Stem Cell.

October 2014 – Researchers say that human embryonic stem cells have restored the sight of several nearly blind patients – and that their latest study shows the cells are safe to use long-term. According to a report published in The Lancet, the researchers transplanted stem cells into 18 patients with severe vision loss as a result of two types of macular degeneration.

May 2, 2018 – The science journal Nature reports that scientists have created a structure like a blastocyst – an early embryo – using mouse stem cells instead of the usual sperm and egg.

June 4, 2018 – The University of California reports that the first in utero stem cell transplant trial has led to the live birth of an infant that had been diagnosed in utero with alpha thalassemia, a blood disorder that is usually fatal for fetuses.

January 13, 2020 – In a study published in the Proceedings of the National Academy of Sciences, researchers announce they have created the world’s first living, self-healing robots using stem cells from frogs. Named xenobots after the African clawed frog (Xenopus laevis), the machines are less than a millimeter (0.04 inches) wide, small enough to travel inside human bodies. Less than two years later, scientists announce that these robots can now reproduce.

February 15, 2022 – A US woman becomes the third known person to go into HIV remission, and the first mixed-race woman, thanks to a transplant of stem cells from umbilical cord blood, according to research presented at a scientific conference on Retroviruses and Opportunistic Infections.

November 7, 2022 – Scientists announce they have transfused lab-made red blood cells grown from stem cells into a human volunteer in a world-first trial that experts say has major potential for people with hard-to-match blood types or conditions such as sickle cell disease.

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2001 Anthrax Attacks Fast Facts | CNN



CNN
 — 

Here’s a look at the 2001 anthrax attacks, also referred to as Amerithrax.

There are four types of anthrax infection: cutaneous (through the skin), inhalation (through the lungs; the most deadly), gastrointestinal (through digestion) and injection anthrax. Injection anthrax is common in heroin-injecting users in northern Europe. This has never been reported in the United States.

Anthrax can be contracted by handling products from infected animals or by breathing in anthrax spores and by eating undercooked meat from infected animals.

It has been blamed for several plagues over the ages that killed both humans and livestock. It emerged in World War I as a biological weapon.

The Centers for Disease Control and Prevention categorizes anthrax as a Category A agent: one that poses the greatest possible threat for a negative impact on public health; one that may spread across a large area or need public awareness and requires planning to protect the public’s health.

Read more: America’s long and frightening history of attacks by mail

Five people died and 17 people were sickened during anthrax attacks in the fall of 2001; outbreak is often referred to as Amerithrax.

Anthrax was sent via anonymous letters to news agencies in Florida and New York and a congressional office building in Washington, DC.

Of the five victims who died of inhalation anthrax, two were postal workers. The other three victims were an elderly woman from rural Connecticut, a Manhattan hospital worker from the Bronx and an employee at a Florida tabloid magazine who may have contracted anthrax through cross-contamination.

The letters were sent to NBC anchor Tom Brokaw, Sen. Majority Leader Tom Daschle, Sen. Patrick Leahy, and the New York Post offices. The letters were postmarked Trenton, New Jersey.

No arrests were made in the attacks.

The FBI has interviewed more than 10,000 people and issued more than 6,000 subpoenas in the case.

4.8 million masks and 88 million gloves were purchased by the Postal Service for its employees, and 300 postal facilities were tested for anthrax.

Over 32,000 people took antibiotics after possible exposure to anthrax.

Stevens, Bob – photo editor at American Media Inc, died of inhalation anthrax, October 5, 2001

Morris, Thomas Jr. – DC postal worker, died of inhalation anthrax, October 21, 2001

Curseen, Joseph Jr. – DC area postal worker, died of inhalation anthrax, October 22, 2001

Nguyen, Kathy – employee at Manhattan hospital, died of inhalation anthrax, October 31, 2001

Lundgren, Ottilie – Connecticut woman, died of inhalation anthrax, November 22, 2001

October 5, 2001 – Sun photo editor Stevens dies of inhalation anthrax.

October 12, 2001 – NBC News announces that an employee has contracted anthrax.

October 15, 2001 – A letter postmarked Trenton, New Jersey, opened by an employee of Senate Majority Leader Daschle contains white powdery substance later found to be “weapons grade” strain of anthrax spores. More than two dozen people in Daschle’s office test positive for anthrax after the envelope is discovered.

October 19, 2001 – An unopened letter tainted with anthrax is found in the offices of the New York Post. One Post employee is confirmed to have a cutaneous infection and a second shows symptoms of the same infection.

October 21, 2001 – DC postal worker Morris Jr. dies of inhalation anthrax.

October 22, 2001 – DC postal worker Curseen dies of inhalation anthrax.

October 31, 2001 – Nguyen, a stockroom worker for the Manhattan Eye, Ear and Throat Hospital, dies of inhalation anthrax.

November 9, 2001 The FBI releases a behavioral profile of the suspect, who is probably a male loner and might work in a laboratory.

November 16, 2001 – A letter sent to Senator Leahy is found to contain anthrax. The letter is among those at the Capitol that has been quarantined. The letter contains at least 23,000 anthrax spores and is postmarked October 9, in Trenton, New Jersey.

November 22, 2001 – Lundgren, a 94-year-old Connecticut woman, dies of inhalation anthrax.

January 2002 – FBI agents interview former US Army bioweapons scientist Steven Hatfill as part of the anthrax investigation.

June 2002 – Bioweapons researcher Hatfill is named a “person of interest” by the FBI.

June 25, 2002 – The FBI searches Hatfill’s Maryland apartment and Florida storage locker with his consent.

June 27, 2002 The FBI says it is focusing on 30 biological weapons experts in its probe.

August 1, 2002 – The FBI uses a criminal search warrant to search Hatfill’s Maryland apartment and Florida storage locker a second time; anthrax swab tests come back negative.

August 6, 2002 Attorney General John Ashcroft refers to Hatfill as a “person of interest.”

August 11, 2002 – Hatfill holds a press conference declaring his innocence. He holds a second one on August 25, 2002.

September 11, 2002The FBI searches Hatfill’s former apartment in Maryland for the third time.

August 26, 2003 – Hatfill files a civil lawsuit against Attorney General John Ashcroft, the Justice Department and the FBI claiming his constitutional rights have been violated. The suit alleges violations of Hatfill’s Fifth Amendment rights by preventing him from earning a living, violations of his Fifth Amendment rights by retaliating against him after he sought to have his name cleared in the anthrax probe and the disclosure of information from his FBI file. The suit also seeks an undetermined amount of monetary damages.

July 11, 2004 – The former headquarters of American Media, Inc. in Boca Raton, Florida, where Stevens contracted the anthrax is pumped full of chlorine dioxide gas for decontamination. This was the last building exposed to anthrax in the fall of 2001.

June 27, 2008 – The Justice Department reaches a settlement with Hatfill. The settlement requires the Justice Department to pay Hatfill a one-time payment of $2.825 million and to buy a $3 million annuity that will pay Hatfill $150,000 a year for 20 years. In return, Hatfill drops his lawsuit, and the government admits no wrongdoing.

July 29, 2008Bruce Ivins, a former researcher at the Army’s bioweapons laboratory at Fort Detrick, Maryland, dies after overdosing during a suicide attempt on July 27.

August 6, 2008 – Judge unseals and releases hundreds of documents in the 2001 FBI Anthrax investigation that detail Ivins’ role in the attacks.

August 8, 2008The Justice Department formally exonerates Hatfill.

September 25, 2008 – The court releases more documents including emails that Ivins sent to himself.

February 19, 2010 – The Justice Department, FBI and US Postal Inspection Service announce its investigation into the 2001 anthrax mailings is at an end.

March 23, 2011 – A report, entitled The Amerithrax Case, is released through the Research Strategies Network, a non-profit think tank based in Virginia. According to the report, old mental health records suggest Ivins should have been prevented from holding a job at a US Army research facility in Maryland. The report was requested by the US Department of Justice.

October 9, 2011 – The New York Times reports indicate there are scientists questioning the FBI assertions regarding Ivins. Possibly Ivins, if he was involved, worked with a partner. Also, the scientists say the presence of tin in the dried anthrax warrants that the investigation be reopened.

November 23, 2011 – The Justice Department settles for $2.5 million with Stevens’ family. The family originally sued for $50 million in 2003, arguing that the military laboratory should have had tighter security.

December 19, 2014 – The Government Accountability Office releases a 77-page report reviewing the genetic testing used by the FBI during the investigation into the anthrax attacks.

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Zika Virus Infection Fast Facts | CNN



CNN
 — 

Here’s a look at Zika virus, an illness spread through mosquito bites that can cause birth defects and other neurological defects.

Sources: Centers for Disease Control and Prevention (CDC), World Health Organization (WHO) and CNN

Zika virus is a flavivirus, part of the same family as yellow fever, West Nile, chikungunya and dengue fever.

Zika is primarily transmitted through the bite of an infected female Aedes aegypti mosquito. It becomes infected from biting an infected human and then transmits the virus to another person. The Aedes aegypti mosquito is an aggressive species, active day and night and usually bites when it is light out. The virus can be transmitted from a pregnant woman to her fetus, through sexual contact, blood transfusion or by needle.

The FDA approved the first human trial of a Zika vaccine in June 2016. As of May 2022, there is still no available vaccine or medication.

Cases including confirmed, probable or suspected cases of Zika in US states and territories updated by the CDC.

Most people infected with Zika virus won’t have symptoms. If there are symptoms, they will last for a few days to a week.

Fever, rash, joint pain and conjunctivitis (red eyes) are the most common symptoms. Some patients may also experience muscle pain or headaches.

Zika virus infection during pregnancy can cause microcephaly, a neurological disorder that results in babies being born with abnormally small heads. Microcephaly can cause severe developmental issues and sometimes death. A Zika infection may cause other birth defects, including eye problems, hearing loss and impaired growth. Miscarriage can also occur.

An August 2018 report published by the CDC estimates that nearly one in seven babies born to women infected with the Zika virus while pregnant had one or more health problems possibly caused by the virus, including microcephaly.

According to the CDC, there is no evidence that previous infection will affect future pregnancies.

(Sources: WHO, CDC and CNN)

1947 – The Zika virus is first discovered in a monkey by scientists studying yellow fever in Uganda’s Zika forest.

1948 – The virus is isolated from Aedes africanus mosquito samples in the Zika forest.

1964 – First active case of Zika virus found in humans. While researchers had found antibodies in the blood of people in both Uganda and in Tanzania as far back as 1952, this is the first known case of the active virus in humans. The infected man developed a pinkish rash over most of his body but reported the illness as “mild,” with none of the pain associated with dengue and chikungunya.

1960s-1980s – A small number of countries in West Africa and Asia find Zika in mosquitoes, and isolated, rare cases are reported in humans.

April-July 2007 – The first major outbreak in humans occurs on Yap Island, Federated States of Micronesia. Of the suspected 185 cases reported, 49 are confirmed, and 59 are considered probable. There are an additional 77 suspected cases. No deaths are reported.

2008 – Two American researchers studying in Senegal become ill with the Zika virus after returning to the United States. Subsequently, one of the researchers transmits the virus to his wife.

2013-2014 – A large outbreak of Zika occurs in French Polynesia, with about 32,000 suspected cases. There are also outbreaks in the Pacific Islands during this time. An uptick in cases of Guillain-Barré Syndrome during the same period suggests a possible link between the Zika virus and the rare neurological syndrome. However, it was not proven because the islands were also experiencing an outbreak of dengue fever at the time.

March 2015 – Brazil alerts the WHO to an illness with skin rash that is present in the northeastern region of the country. From February 2015 to April 29, 2015, nearly 7,000 cases of illness with a skin rash are reported. Later in the month, Brazil provides additional information to WHO on the illnesses.

April 29, 2015 – A state laboratory in Brazil informs the WHO that preliminary samples have tested positive for the Zika virus.

May 7, 2015 – The outbreak of the Zika virus in Brazil prompts the WHO and the Pan American Health Organization (PAHO) to issue an epidemiological alert.

October 30, 2015 – Brazil reports an increase in the cases of microcephaly, babies born with abnormally small heads: 54 cases between August and October 30.

November 11, 2015 – Brazil declares a national public health emergency as the number of newborns with microcephaly continues to rise.

November 27, 2015 – Brazil reports it is examining 739 cases of microcephaly.

November 28, 2015 – Brazil reports three deaths from Zika infection: two adults and one newborn.

January 15 and 22, 2016 – The CDC advises all pregnant women or those trying to become pregnant to postpone travel or consult their physicians prior to traveling to any of the countries where Zika is active.

February 2016 – The CDC reports Zika virus in brain tissue samples from two Brazilian babies who died within a day of birth, as well as in fetal tissue from two miscarriages providing the first proof of a potential connection between Zika and the rising number of birth defects, stillbirths and miscarriages in mothers infected with the virus.

February 1, 2016 – The WHO declares Zika a Public Health Emergency of International Concern due to the increase of neurological disorders, such as microcephaly, in areas of French Polynesia and Brazil.

February 8, 2016 – The CDC elevates its Emergency Operations Center for Zika to Level 1, the highest level of response at the CDC.

February 26, 2016 – Amid indications that the mosquito-borne Zika virus is causing microcephaly in newborns, the CDC advises pregnant women to “consider not going” to the Olympics in Rio de Janeiro. The CDC later strengthens the advisory, telling pregnant women, “Do not go to the Olympics.”

March 4, 2016 – The US Olympic Committee announces the formation of an infectious disease advisory group to help the USOC establish “best practices regarding the mitigation, assessment and management of infectious disease, paying particular attention to how issues may affect athletes and staff participating in the upcoming Olympic and Paralympic Games.”

April 13, 2016 – During a press briefing, CDC Director Thomas Frieden said, “It is now clear the CDC has concluded that Zika does cause microcephaly. This confirmation is based on a thorough review of the best scientific evidence conducted by CDC and other experts in maternal and fetal health and mosquito-borne diseases.”

May 27, 2016 – More than 100 prominent doctors and scientists sign an open letter to WHO Director General Margaret Chan, calling for the summer Olympic Games in Rio de Janeiro to be postponed or moved “in the name of public health” due to the widening Zika outbreak in Brazil.

July 8, 2016 – Health officials in Utah report the first Zika-related death in the continental United States.

August 1, 2016 – Pregnant women and their partners are advised by the CDC not to visit the Miami neighborhood of Wynwood as four cases of the disease have been reported in the small community and local mosquitoes are believed to be spreading the infection.

September 19, 2016 – The CDC announces that it has successfully reduced the population of Zika-carrying mosquitoes in Wynwood and lifts its advisory against travel to the community.

November 18, 2016 – The WHO declares that the Zika virus outbreak is no longer a public health emergency, shifting the focus to long-term plans to research the disease and birth defects linked to the virus.

November 28, 2016 – Health officials announce Texas has become the second state in the continental United States to confirm a locally transmitted case of Zika virus.

September 29, 2017 – The CDC deactivates its emergency response for Zika virus, which was activated in January 2016.

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Avian Flu Fast Facts | CNN



CNN
 — 

Here’s a look at avian flu.

Avian influenza, also called avian flu or bird flu, is an illness that usually affects only birds.

There are many different strains of avian flu: 16 H subtypes and 9 N subtypes. Only those labeled H5, H7 and H10 have caused deaths in humans.

The most commonly seen and most deadly form of the virus is called “Influenza A (H5N1),” or the “H5N1 virus.”

Most cases of human bird flu infections are due to contact with infected poultry or surfaces that are contaminated with infected bird excretions: saliva, nasal secretions or feces.

Symptoms of avian flu include fever, cough, sore throat and sometimes severe respiratory diseases and pneumonia.

The CDC recommends oral oseltamivir (brand name: Tamiflu), inhaled zanamivir (brand name: Relenza) and intravenous permavir (brand name: Rapivab) for the treatment of human illness associated with avian flu.

The mortality rate is close to 60% for infected humans.

Early 1900s –The avian flu is first identified in Italy.

1961 – The H5N1 strain is isolated in birds in South Africa.

December 1983 – Chickens in Pennsylvania and Virginia are exposed to the avian flu and more than five million birds are killed to stop the disease from spreading.

1997 – Eighteen people are infected by the H5N1 strain in Hong Kong, six die. These are the first documented cases of human infection. Hong Kong destroys its entire poultry population, 1.5 million birds.

1999 Two children in Hong Kong are infected by the H9N2 strain.

February 2003 – Eighty-four people in the Netherlands are affected by the H7N7 strain of the virus, one dies.

February 7, 2004 – Twelve thousand chickens are killed in Kent County, Delaware, after they are found to be infected with the H7 virus.

October 7, 2005The avian flu reaches Europe. Romanian officials quarantine a village of about 30 people after three dead ducks there test positive for bird flu.

November 12, 2005 – A one-year-old boy in Thailand tests positive for the H5N1 strain of avian influenza.

November 16, 2005 – The World Health Organization confirms two human cases of bird flu in China, including a female poultry worker who died from the H5N1 strain.

November 17, 2005 Two deaths are confirmed in Indonesia from the H5N1 strain of avian influenza.

January 1, 2006 – A Turkish teenager dies of the H5N1 strain of avian influenza in Istanbul, and later that week, two of his sisters die.

January 17, 2006 – A 15-year-old girl from northern Iraq dies after contracting bird flu.

February 20, 2006Vietnam becomes the first country to successfully contain the disease. A country is considered disease-free when no new cases are reported in 21 days.

March 12, 2006Officials in Cameroon confirm cases of the H5N1 strain. The avian flu has now reached four African countries.

March 13, 2006 – The avian flu is confirmed by officials in Myanmar.

May 11, 2006 Djibouti announces its first cases of H5N1 – several birds and one human.

December 20, 2011 – The US Department of Health and Human Services releases a statement saying that the government is urging scientific journals to omit details from research they intend to publish on the transfer of H5N1 among mammals. There is concern that the information could be misused by terrorists.

July 31, 2012Scientists announce that H3N8, a new strain of avian flu, caused the death of more than 160 baby seals in New England in 2011.

March 31, 2013 – Chinese authorities report the first human cases of infection of avian flu H7N9 to the World Health Organization. H7N9 has not previously been detected in humans.

December 6, 2013 – A 73-year-old woman infected with H10N8 dies in China, the first human fatality from this strain.

January 8, 2014 – Canadian health officials confirm that a resident from Alberta has died from H5N1 avian flu, the first case of the virus in North America. It is also the first case of H5N1 infection ever imported by a traveler into a country where the virus is not present in poultry.

April 20, 2015 – Officials say more than five million hens will be euthanized after bird flu was detected at a commercial laying facility in northwest Iowa. According to the US Department of Agriculture, close to eight million cases of bird flu have been detected in 13 states since December. Health officials say there is little to no risk for transmission to humans with respect to H5N2. No human infections with the virus have ever been detected.

January 15, 2016 – The US Department of Agriculture confirms that a commercial turkey farm in Dubois County, Indiana, has tested positive for the H7N8 strain of avian influenza.

January 24, 2017 – Britain’s Department for Environment, Food & Rural Affairs releases a statement confirming that a case of H5N8 avian flu has been detected in a flock of farmed breeding pheasants in Preston, UK. The flock is estimated to contain around 10,000 birds. The statement adds that a number of those birds have died, and the remaining live birds at the premises are being “humanely” killed because of the disease.

February 12, 2017 – A number of provinces in China have shut down their live poultry markets to prevent the spread of avian flu after a surge in the number of infections from the H7N9 strain. At least six provinces have reported human cases of H7N9 influenza this year, according to Chinese state media, Xinhua.

March 5-7, 2017 – The USDA confirms that a commercial chicken farm in Tennessee has tested positive for the H7N9 strain of avian flu, but says it is genetically different from the H7N9 lineage out of China. The 73,500-bird flock in Lincoln County will be euthanized, according to Tyson Foods.

February 14, 2018 – Hong Kong’s Centre for Health Protection announces that a 68-year-old woman has been treated for the H7N4 strain. This is the first case of this strain in a human.

June 5, 2019 – Since 2013 there have been 1,568 confirmed human cases and 616 deaths worldwide from the H7N9 strain of avian flu, according to the Food and Agriculture Organization of the United Nations.

December 2019 – The United Kingdom Department for Environment, Food & Rural Affairs confirms that a case of H5N1 avian flu has been detected at a poultry farm in Suffolk. 27,000 birds are humanely killed because of the disease.

April 9, 2020 – The USDA confirms that a commercial turkey flock in Chesterfield County, South Carolina has tested positive for the H7N3 strain of avian flu.

January 2021 – India culls tens of thousands of poultry birds after avian influenza is detected in ducks, crows and wild geese in at least a dozen locations across the country.

February 18, 2021 – Russian authorities notify WHO that they have detected H5N8 in humans. “If confirmed, this would be the first time H5N8 has infected people,” a WHO Europe spokesperson says in a statement.

June 1, 2021 – China’s National Health Commission announces the first human case of H10N3.

February 2022 – The USDA confirms that wild birds and domestic poultry in the United States have tested positive for the H5N1 strain of avian flu. By May 17, 2023, the CDC reports there are 47 states with poultry outbreaks.

April 26, 2022 – China’s National Health Commission announces the first human case of H3N8.

April 28, 2022 – The CDC announces a case of H5 bird flu has been confirmed in a man in Colorado.

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Vaccines Fast Facts | CNN



CNN
 — 

Here’s a look at information and statistics concerning vaccines in the United States. For vaccines related to coronavirus, see Coronavirus Outbreak Timeline Fast Facts.

The Centers for Disease Control and Prevention (CDC) provides vaccine recommendations by age, as well as by disease.

For more than 100 years, there has been public discord regarding vaccines based on issues like individual rights, religious freedoms, distrust of government and the effects that vaccines may have on the health of children.

Exemptions to vaccines fall into three general categories: medical, religious and philosophical.

As of May 25, 2022, 44 states and the District of Columbia have enacted legislation allowing religious exemptions from vaccines, and 15 states allow philosophical (non-spiritual) exemptions.

1796 – Edward Jenner develops the smallpox vaccine, the world’s first successful vaccine.

1855 – Massachusetts mandates that school children are to be vaccinated (only the smallpox vaccine is available at the time).

February 20, 1905 – In Jacobson v. Massachusetts, the US Supreme Court upholds the State’s right to compel immunizing against smallpox.

November 13, 1922 – The US Supreme Court denies any constitutional violation in Zucht v. King in which Rosalyn Zucht believes that requiring vaccines violates her right to liberty without due process. The High Court opines that city ordinances that require vaccinations for children to attend school are a “discretion required for the protection of the public health.”

1952 – Dr. Jonas Salk and his team develop a vaccine for polio. A nationwide trial leads to the vaccine being declared in 1955 to be safe and effective.

1963 – The first measles vaccine is released. In 2000, the CDC declares the US has achieved measles elimination, defined as “the absence of continuous disease transmission for 12 months or more in a specific geographic area.” While the US has maintained measles elimination since, there are occasional outbreaks.

1986 – Congress passes the National Childhood Vaccine Injury Act. This coordinates vaccine activities across several government agencies to monitor vaccine safety, requires vaccine information statements are provided to those receiving vaccines, and creates the National Vaccine Injury Compensation Program to compensate those injured by vaccines on a “no fault” basis.

March 19, 1992 – Rolling Stone publishes an article by Tom Curtis, “The Origin of AIDS,” which presents a theory that ties HIV/AIDS to polio vaccines. Curtis writes that in the late 1950s, during a vaccination campaign in Africa, at least 325,000 people were immunized with a contaminated polio vaccine. The article alleges that the vaccine may have been contaminated with a monkey virus and is the cause of the human immunodeficiency virus, later known as HIV/AIDS.

August 10, 1993 – Congress passes the Omnibus Budget Reconciliation Act which creates the Vaccines for Children Program, providing qualified children free vaccines.

December 9, 1993 – Rolling Stone publishes an update to the Curtis article, clarifying that his theory was not fact, and Rolling Stone did not mean to suggest there was any scientific proof to support it, and the magazine regrets any damage caused by the article.

1998 – British researcher Andrew Wakefield and 12 other authors publish a paper stating they had evidence that linked the vaccination for Measles, Mumps and Rubella (MMR) to autism. They claim they discovered the measles virus in the digestive systems of autistic children who were given the measles, mumps and rubella (MMR) vaccine. The publication leads to a widespread increase in the number of parents choosing not to vaccinate their children for fear of its link to autism.

2004 – Co-authors of the Wakefield study begin removing their names from the article when they discover Wakefield had been paid by lawyers representing parents who planned to sue vaccine manufacturers.

May 14, 2004 – The Institute of Medicine releases a report “rejecting a causal relationship between the MMR vaccine and autism.”

February 2010 – The Lancet, the British medical journal that published Wakefield’s study, officially retracts the article. Britain also revokes Wakefield’s medical license.

2011 – Investigative reporter Brian Deer writes a series of articles in the BMJ exposing Wakefield’s fraud. The articles state that he used distorted data and falsified medical histories of children that may have led to an unfounded relationship between vaccines and the development of autism.

2011 – The US Public Health Service finds that 63% of parents who refuse and delay vaccines do so for fear their children could have serious side effects.

June 17, 2014 – After analyzing 10 studies, all of which looked at whether there was a link between vaccines and autism and involved a total of over one million children, the University of Sydney publishes a report saying there is no correlation between vaccinations and the development of autism.

February 2015 – Advocacy group Autism Speaks releases a statement, “Over the last two decades, extensive research has asked whether there is any link between childhood vaccinations and autism. The results of this research are clear: Vaccines do not cause autism. We urge that all children be fully vaccinated.

August 23, 2018 – A study published in the American Journal of Public Health finds that Twitter accounts run by automated bots and Russian trolls masqueraded as legitimate users engaging in online vaccine debates. The bots and trolls posted a variety of anti-, pro- and neutral tweets and directly confronted vaccine skeptics, which “legitimize” the vaccine debate, according to the researchers.

October 11, 2018 – Two reports published by the CDC find that vaccine exemption rates and the percentage of unvaccinated children are on the rise.

January 2019 – The World Health Organization names vaccine hesitancy as one of 10 threats to global health in 2019.

September 4, 2019 – Facebook announces that educational pop-up windows will appear on the social media platforms when a user searches for vaccine-related content, visits vaccine-related Facebook groups and pages, or taps a vaccine-related hashtag on Instagram

December 19, 2019 – The US Food and Drug administration announces the approval of a vaccine for the prevention of the Ebola virus for the first time in the United States. The vaccine, Ervebo, was developed by Merck and protects against Ebola virus disease caused by Zaire ebolavirus in people 18 and older.

December 27, 2019 – A study published in the medical journal JAMA Network Open finds that a single dose of the human papillomavirus (HPV) vaccine may be just as effective as two or three doses at preventing cancer-causing HPV infection.

February 3, 2020 – The National Institute of Allergy and Infectious Diseases (NIAID) announces that a clinical trial for an HIV vaccine has been discontinued since the vaccine was not found to prevent infections of human immunodeficiency virus, the virus that causes AIDS.

May 3, 2023 – The US FDA approves, Arexvy, the first vaccine to protect against respiratory syncytial virus or RSV. It is a single shot for adults 60 or older.

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Conjoined Twins Fast Facts | CNN



CNN
 — 

Here’s a look at conjoined twins.

Conjoined twins are physically connected to one another at some point on their bodies.

Conjoined twins occur once every 200,000 live births, according to the University of Minnesota.

About 70% of conjoined twins are female.

Conjoined twins are identical – they are the same sex.

According to the Mayo Clinic, conjoined twins may be joined at any of these areas: chest, abdomen, spine, pelvis, trunk or head.

Scientists believe that conjoined twins develop from a single fertilized egg that fails to separate completely as it divides.

The term “Siamese twins” originated with Eng and Chang Bunker, a set of conjoined twins who were born in Siam (now Thailand) in 1811. They lived to age 63 and appeared in traveling exhibitions. Chang and Eng both married and fathered a total of 21 children between them.

In 1955, neurosurgeon Dr. Harold Voris of Mercy Hospital in Chicago performed the first successful procedure separating conjoined twins.

Lea and Tabea Block
Born August 9, 2003, in Lemgo, Germany, to Peter and Nelly Block. They are joined at the head. On September 16, 2004, the girls are separated. Tabea dies shortly thereafter.

Jade and Erin Buckles
Born February 26, 2004, to Melissa and Kevin Buckles at National Naval Medical Center in Bethesda, Maryland. They share a liver. On June 19, 2004, they are successfully separated.

Tatiana and Anastasia Dogaru
Born January 13, 2004, in Rome to Romanian parents Claudia and Alin Dogaru. They are connected at the head. In August 2007, doctors at University Hospital’s Rainbow Babies & Children’s Hospital in Cleveland announce that they will not perform a separation of the girls because the surgery is too risky.

Abbigail and Isabelle Carlsen
Born November 29, 2005, in Fargo, North Dakota, to Amy and Jesse Carlsen. They are joined at the abdomen and chest. On May 12, 2006, a team of 30 people, including 18 surgeons from various specialties at the Mayo Clinic in Rochester, Minnesota, perform a successful operation to separate the girls.

Regina and Renata Salinas Fierros
Born August 2, 2005, in Los Angeles to Sonia Fierros and Federico Salinas. Born facing each other and joined from the lower chest to the pelvis, they are fused in several places including the liver and genitals, and they share a large intestine. Regina is born with one kidney. On June 14, 2006, the twins are separated during a day-long surgery at Children’s Hospital Los Angeles.

Abygail and Madysen Fitterer
Born August 8, 2006, to Stacy and Suzy Fitterer from Bismarck, North Dakota. They are born joined at the abdomen and share a liver. On January 3, 2007, they are separated in a surgery at the Mayo Clinic.

Preslee Faith and Kylee Hope Wells
Born October 25, 2008, in Oklahoma City to Stevie Stewart and Kylie Wells. They are attached at the chest and are believed to be the first Native American conjoined twins. On January 19, 2009, they are separated at Children’s Hospital at OU Medical Center in Oklahoma City. On February 19, 2011, Preslee Faith dies.

Arthur and Heitor Rocha Brandao
Born April 2009 in Bahia, Brazil, to Eliane and Delson Rocha. They are joined at the hip and share a bladder, intestines, liver and genitals. The twins only have three legs between them. On February 24, 2015, the five-year-old twins undergo a 15-hour separation surgery after months of preparation. Arthur dies three days later after he suffers cardiac arrest.

Angelica and Angelina Sabuco
Born August 2009 in the Philippines to Fidel and Ginady Sabuco. They are joined at the chest and abdomen. On November 1, 2011, they are successfully separated after a 10-hour surgery at Lucile Packard Children’s Hospital in San Jose, California.

Hassan and Hussein Benhaffaf
Born December 2, 2009, in London to Angie and Azzedine Benhaffaf from East Cork, Ireland. They are attached at the chest but share no major organs. On April 8, 2010, they undergo a 14-hour separation surgery at Great Ormond Street Hospital. Both survive.

Maria and Teresa Tapia
Born April 8, 2010, in the Dominican Republic to Lisandra Sanatis and Marino Tapia. They are joined at the lower chest and abdomen and share a liver, pancreatic glands, and part of their small intestine. On November 8, 2011, they are successfully separated following a 20-hour procedure.

Joshua and Jacob Spates
Born January 24, 2011, in Memphis, Tennessee, to Adrienne Spates. They are joined back to back at the pelvis and lower spine, each with separate hearts, heads and limbs. On August 29, 2011, they are successfully separated after a 13-hour surgery. In October 2013, Jacob passes away.

Rital and Ritag Gaboura
Born September 22, 2010, in Khartoum, Sudan, to Abdelmajeed and Enas Gaboura. They are joined at the head. On August 15, 2011, they are successfully separated after a four-stage operation. Two operations took place in May, one in July and the final operation in August.

Allison June and Amelia Lee Tucker
Born March 1, 2012, to Shellie and Greg Tucker. They are attached at the lower chest and abdomen and share their chest wall, diaphragm, pericardium and liver. On November 7, 2012, they are successfully separated after a seven-hour surgery at Children’s Hospital Philadelphia.

A’zhari and A’zhiah Lawrence
Born October 10, 2012, in Virginia to Nachell Jones and Carlos Lawrence. They are joined from the chest to the abdomen and have a conjoined liver. On April 22, 2013, they are successfully separated following 14 hours of surgery. On October 14, 2013, A’zhari passes away.

Emmett and Owen Ezell
Born July 15, 2013, in Dallas to Jenni and Dave Ezell. They are joined at the liver and the intestine. On August 24, 2013, they are successfully separated.

Knatalye Hope and Adeline Faith Mata
Born April 11, 2014, in Houston to Elysse and John Matta. They are joined at the chest, sharing a liver, heart lining, diaphragm, intestines and colon. On February 17, 2015, a team of 12 surgeons separate the twins during a 26-hour procedure.

Erika and Eva Sandoval
Born August 10, 2014, in California to Aida and Arturo Sandoval. They are joined at the lower chest and upper abdomen and share a liver, bladder, two kidneys and three legs. On December 6-7, 2016, they are successfully separated after 17 hours of surgery at Lucile Packard Children’s Hospital Stanford in California.

Acen and Apio Akello
Born September 23, 2014, in Uganda to Ester Akello. They are joined at the hip and pelvis. On September 3, 2015, more than 30 medical specialists help separate the twins’ spinal cord during a 16-hour surgery at Nationwide Children’s Hospital in Ohio. To prepare for the surgery, medical specialists used 3-D printing to create anatomies similar to the girls.

Carter and Conner Mirabal
Born December 12, 2014, in Jacksonville, Florida, to Michelle Brantley and Bryan Mirabal. They are joined at the sternum and abdomen and share a liver and part of their small intestines. On May 7, 2015, the twins are successfully separated after 12 hours of surgery at Wolfson Children’s Hospital in Florida.

Scarlett and Ximena Torres
Born May 16, 2015, in Corpus Christi, Texas, to Silvia Hernandez and Raul Torres. Scarlett and Ximena are connected below the waist, sharing a colon and a bladder. On April 12, 2016, the twins are separated during a 12-hour procedure at the Driscoll Children’s Hospital in Texas.

Anias and Jadon McDonald
Born on September 9, 2015, in Chicago to Nicole and Christian McDonald. They are joined at the head. On October 13-14, 2016, Anias and Jadon are successfully separated after 27 hours of surgery at the Children’s Hospital at Montefiore Medical Center in New York.

Dawa and Nima Pelden
Born on July 13, 2017, in Bhutan to Bhumchu Zangmo. They are joined at the abdomen. On November 9, 2018, Dawa and Nima are successfully separated after a six-hour surgery at Melbourne Royal Children’s Hospital in Australia.

Safa and Marwa Ullah
Born January 7, 2017, in Pakistan to Zainab Bibi. They are joined at the head. On February 11, 2019, Safa and Marwa are successfully separated after 50 hours of surgery, that took place over a four month period, at London’s Great Ormond Street Hospital.

Ervina and Prefina Bangalo
Born June 29, 2018, in the Central African Republic to Ermine Nzutto. They share a skull and a majority of blood vessels. On June 5, 2020, the twins are successfully separated during an operation in Vatican City lasting 18 hours and involving 30 doctors and nurses.

Abigail and Micaela Bachinskiy
Born December 30, 2019, in Sacramento, California. The twins are joined at the head. On October 23-24, 2020, the twins are successfully separated during a 24-hour operation at UC Davis Children’s Hospital in Sacramento, California.

Siphosethu and Amahle Tyhalisi
Born January 30, 2021, in South Africa to Ntombikayise Tyhalisi. They are joined at the head. On February 24, 2021, the twins are successfully separated during an operation at Red Cross War Memorial Children’s Hospital in Cape Town.

Hassana and Hasina
Born in January 12, 2022 in Kaduna, Nigeria to Omar Rayano. They share an abdomen, pelvis, liver, intestines, urinary and reproductive system, and pelvic bones. On May 18, 2023 the twins are successfully separated during an operation at King Abdullah Specialized Children’s Hospital in Riyadh, Saudi Arabia.

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