Doctors watching for more cases after mysterious cluster of brain infections strikes kids in southern Nevada | CNN



CNN
 — 

Disease detectives with the US Centers for Disease Control and Prevention are investigating a cluster of rare and serious brain abscesses in kids in and around Las Vegas, Nevada, and doctors from other parts of the country say they may be seeing a rise in cases, too.

In 2022, the number of brain abscesses in kids tripled in Nevada, rising from an average of four to five a year to 18.

“In my 20 years’ experience, I’ve never seen anything like it,” said Dr. Taryn Bragg, an associate professor at the University of Utah who treated the cases.

Pediatric neurosurgeons like Bragg are rare. She is the only one for the entire state of Nevada, and because she treated all the cases, she was the first to notice the pattern and to alert local public health officials.

“After March of 2022, there was just a huge increase,” in brain abscesses, Bragg said. “I was seeing large numbers of cases and that’s unusual.”

“And the similarities in terms of the presentation of cases was striking,” Bragg said.

In almost every case, kids would get a common childhood complaint, such as an earache or a sinus infection, with a headache and fever, but within about a week, Bragg says, it would become clear that something more serious was going on.

After a presentation on the Nevada cases the Epidemic Intelligence Service Conference on Thursday, doctors from other parts of the country said they are seeing similar increases in brain abscesses in kids.

“We’re just impressed by the number of these that we’re seeing right now,” said Dr. Sunil Sood, a pediatric infectious disease specialist at Northwell Health, a health system in New York. He estimates they are seeing at least twice as many as usual, though they haven’t done a formal count. He urged the CDC to continue investigating and work to get the word out.

Brain abscesses are not, by themselves, reportable conditions, meaning doctors aren’t required to alert public health departments when they have these cases.

They typically only come to the attention of public health officials when doctors notice increases and reach out.

Brain abscesses are pus-filled pockets of infection that spread to the brain. They can cause seizures, visual disturbances, or changes in vision, speech, coordination or balance. The earliest symptoms are headaches and a fever that comes and goes. Abscesses often require several surgeries to treat, and kids may spend weeks or even months in the hospital recovering after they have one.

In the Clark County cluster, roughly three-quarters of the cases were in boys, and most were around age 12.

Dr. Jessica Penney is the CDC Epidemic Intelligence Service officer, or “disease detective,” assigned to Southern Nevada Health District, the health department that investigated the cases. She presented her investigation of the Clark County cluster at the CDC’s annual Epidemic Intelligence Service conference on Thursday.

Penney says as they tried to figure out what was driving the increase, they looked at a slew of factors – travel, a history of Covid-19 infection, underlying health, any common activities or exposures – and they didn’t find anything that linked the cases.

Then, she says they decided to look back in time, looking for brain abscess cases in children under 18 all the way back to 2015.

“I felt like that helped us get a better sense of what might be contributing to it,” Penney said in an interview with CNN.

From 2015 to 2020, Penney says the number of cases of brain abscesses in Clark County was pretty stable at around four a year. In 2020, the number of brain abscesses in kids dipped, probably because of measures like social distancing, school closures, and masking – things that shut down the spread of all kinds of respiratory infections, not just Covid-19. In 2021, as restrictions began to lift, the number of these events returned back to normal levels, and then in 2022, a big spike.

“So the thoughts are, you know, maybe in that period where kids didn’t have these exposures, you’re not building the immunity that you would typically get previously, you know with these viral infections,” Penney said. “And so maybe on the other end when we you had these exposures without that immunity from the years prior, we saw a higher number of infections.”

This is a theory called the immunity debt. Doctors have recently seen unusual increases in a number of serious childhood infections, such as invasive group A strep. Some think that during the years of the pandemic, because children weren’t exposed to the number of viruses and bacteria they might normally encounter, it left their immune systems less able to fight off infections.

Sood said he’s not sold on the theory that there’s some kind of immunity debt at work. Instead, he thinks Covid-19 temporarily displaced other infections for a while, essentially crowding others out. Now, as Covid-19 cases have fallen, he thinks other childhood infections are roaring back – he points to unprecedented surge in RSV cases last fall and winter as an example.

Sood says brain abscesses normally follow a very small percentage of sinus infections and inner ear infections in kids. Because they are seeing more of those infections now, the number of brain abscesses has increased proportionally, too.

If immunity debt or a higher burden of infections were to blame, it stands to reason that brain abscesses might have increased in other places, too.

Last year, the CDC worked with the Children’s Hospital Association to find and count brain abscesses in kids, to see if there was any sort of national spike. Data collected through May 2022 did not detect any kind of widespread increase, according to a study published in the Morbidity and Mortality Weekly Report last fall.

But Bragg thinks the data cutoff for the study may have been too early. She says spring 2022 was when she saw cases in her area really take off. She says the CDC is continuing to collect information on brain abscesses and evaluate local and national trends.

About a third of the brain abscesses in the Clark County cluster were caused by a type of bacteria called Streptococcus intermedius that normally hangs out harmlessly in the nose and mouth, where our immune system keeps it in check. But when it gets into places it shouldn’t be, like the blood or brain, it can cause problems.

That can happen after dental work, for example, or when someone has an underlying health condition that weakens their immunity, like diabetes.

That wasn’t the case with the kids in the Clark County cluster, however.

“These are healthy children. With no prior significant medical history that would make them more prone…there wasn’t any known immunosuppression or anything like that,” Bragg says.

Like the cases in Clark County, Sood says most of the kids they are seeing are older, in grade school and middle school. He says until kids reach this age, their sinus cavities are underdeveloped, and haven’t yet grown to their full size. This may make them particularly vulnerable to infection. He thinks these small spaces may become filled with pus and burst. When that happens over the eyebrow, or behind the ear, where the barrier between the brain and sinuses is thinner, the infection can travel to the brain.

Sood says the signs of a sinus infection in kids can be subtle and parents don’t always know what to watch for. If a child gets a cold or stuffy nose and then the next day wakes up with a red and swollen eye, or an eye that’s swollen shut, it’s a good idea to seek medical attention. They may also complain of a headache and point to the spot above their eyebrow as the location of the pain.

Bragg says so far, in 2023, she’s treated two more kids with brain abscesses, but the pace of new cases seems to be slowing down – at least she hopes that’s the case.

Some of the children she treated needed multiple brain and head and neck surgeries to clear their infections.

Sood says in his hospital, doctors have a patient who has been there for two to three months and had five surgeries, although he says she was an extreme case.

Penney says the CDC continues to watch the situation closely.

“We’re going to continue to monitor throughout the year working very closely with our community partners to see you know what, what happens down in Southern Nevada,” she said.

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US cigarette smoking rate falls to historic low, but e-cigarette use keeps climbing | CNN



CNN
 — 

The percentage of adults who smoked cigarettes in the United States fell to a historic low last year, the US Centers for Disease Control and Prevention found. However, e-cigarettes are becoming even more popular.

About 11% of adults told the CDC last year that they were current cigarette smokers, according to the latest preliminary data from the National Health Interview Survey, a biannual survey that provides general information about health-related topics. The survey includes responses from 27,000 people age 18 and older. In 2020 and 2021, about 12.5% of adults said they smoked cigarettes.

This is a significant drop from when surveys like these started. Surveys of Americans in the 1940s found that about half of all adults said they smoked cigarettes. Rates began to decline in the 1960s, and more recently, in 2016, 15.5% of adults said they smoked cigarettes.

Recent studies have shown some groups are still at higher risk. While the latest CDC survey doesn’t capture this level of detail, cigarette smoking rates among some communities – including Native Americans, Alaska Natives and members of the LGBTQ community remain “alarmingly high” according to the 2023 State of Tobacco Control report from the American Lung Association.

The general drop in cigarette smoking among adults should have a positive impact on public health.

Cigarette smoking is still the leading cause of preventable death and disability in the US. So many people have died from smoking, the CDC finds, that more than 10 times as many US citizens have died prematurely from cigarette smoking than have died in all the wars fought by the US.

Smokers are 90% of the lung cancer cases in the United States, but smoking can also cause someone to have a stroke, coronary heart disease, and COPD, as well as other cancers including bladder, colon, kidney, liver, stomach and other cancers. People who live with smokers also are at a greater risk of death, because of secondhand smoke.

This latest survey does not capture why fewer people smoked cigarettes, but the number has been on the decline since the 1960s, after the US surgeon general released the first report on smoking and health that concluded that smoking causes serious health problems.

Experts credit a variety of efforts for the decline in cigarette smoking – anti-smoking campaigns, programs that educate children about the danger of smoking, laws that severely restrict where people could smoke and where cigarette companies could advertise, as well as better access to smoking cessation programs and higher taxes that make cigarettes expensive.

However, Congress hasn’t raised federal tobacco taxes in 14 years. The federal cigarette tax remains $1.01 per pack, and taxes vary for other tobacco products. No state increased its cigarette taxes in 2022.

The pandemic may also have had an influence. Smokers were much more vulnerable to the severe consequences of Covid-19 and that gave some people the extra motivation they needed to quit – and may have given doctors the extra motivation they needed to help them too, according to Dr. Panagis Galiatsatos, a volunteer medical spokesperson with the American Lung Association. At some level, the pandemic also made the medical establishment easier to access.

“The pandemic, I think, really allowed physicians time they never probably had in the past to conduct these telemedicine visits that were appropriate just for smoking cessation strategies, helping them help patients quit and stay quit,” said Galiatsatos, who is a pulmonary and critical care medicine physician and is director of the Tobacco Treatment Clinic with Johns Hopkins Medicine.

Galiatsatos points to the US Surgeon General report released during the Trump administration, just prior to the start of the pandemic. The report detailed that of the patients they have now that smoke, the few that are left are going to be the most resistant to quitting. Then-Surgeon General Jerome Adams’ report encouraged more doctors to help their patients quit. The report found that 40% of smokers are not routinely told by their doctors to stop.

Still, the culture has changed. Smoking is much less socially acceptable in some cultures in the US.

E-cigarette use, though, seems to be more socially acceptable, especially among younger people studies show, and that may explain why those numbers are up.

The current survey found that e-cigarette use rose to nearly 6% last year, that’s up from about 4.9% the year before.

Some argue that e-cigarettes are a good substitute for regular cigarettes, and in some countries they are even promoted as a smoking cessation devices, but the CDC says that “e-cigarettes are not safe for youth, young adults, and pregnant women, as well as adults who do not currently use tobacco products.”

A BMJ study published in February found that people who used e-cigarettes to quit smoking found them to be less helpful than more traditional smoking cessation aids.

The US Food and Drug Administration says there is not enough evidence to support claims that these products are effective tools to help people quit smoking. None are approved for this purpose. The FDA says there are no safe tobacco products, including e-cigarettes, vapes, and other electronic nicotine delivery systems.

“I always hold no stigma or judgment when anyone wants to smoke a traditional cigarette or use electronic cigarettes, but as a lung doctor, I will always promote only air to come into the lungs,” said Galiatsatos. “From my standpoint, I think we should still have a public health mindset around e-cigarette usage because for some individuals, they’re going to have health consequences from this product.”

He said people may choose to vape instead of smoke cigarettes, but clinicians should be prepared to help this population if they do want to quit.

E-cigarettes can, though, produce a number of chemicals that are not good for human health, including acrolein, acetaldehyde, and formaldehyde. Studies show these chemicals are known as aldehydes and can cause lung and heart disease, according to the American Lung Association.

Among teens, nicotine exposure can harm the developing brain, according to the US surgeon general.

E-cigarettes are much more popular than cigarettes among teens, so the adult e-cigarette user numbers will likely continue to grow.

About 14% of high school students said they used e-cigarettes, and 2% of high school students smoked cigarettes last year, according to separate CDC data.

The rate of kids that use e-cigarettesis high, the American Academy of Pediatrics says.

Specifically, in 2022, nearly 5% of middle school and about 17% of high school students reported some form of current tobacco use, according to CDC data from an earlier survey. In 2021, about 11% of middle schoolers and 34% of high schoolers said they had ever tried tobacco.

These “try rates” are important because most adult smokers started at young ages, according to the CDC.

The AAP continues to encourage pediatricians to screen for tobacco use as part of a child’s regular checkup. A talk about tobacco should start no later than age 11 or 12, the report says.

For adult smokers, the CDC encourages encourages people to call 1-800-QUIT-NOW where people can get free confidential coaching. The government also offers free online resources and even text programs that can help people quit.

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End of data sharing could make Covid-19 harder to control, experts and high-risk patients warn | CNN



KFF Health News
 — 

Joel Wakefield isn’t just an armchair epidemiologist. His interest in tracking the spread of covid is personal.

The 58-year-old lawyer who lives in Phoenix has an immunodeficiency disease that increases his risk of severe outcomes from covid-19 and other infections. He has spent lots of time since 2020 checking state, federal, and private sector covid trackers for data to inform his daily decisions.

“I’m assessing ‘When am I going to see my grandkids? When am I going to let my own kids come into my house?’ ” he said.

Many Americans have moved on from the pandemic, but for the millions who are immunocompromised or otherwise more vulnerable to covid, reliable data remains important in assessing safety.

“I don’t have that luxury to completely shrug it off,” Wakefield said.

The federal government’s public health emergency that’s been in effect since January 2020 expires May 11. The emergency declaration allowed for sweeping changes in the U.S. health care system, like requiring state and local health departments, hospitals, and commercial labs to regularly share data with federal officials.

But some shared data requirements will come to an end and the federal government will lose access to key metrics as a skeptical Congress seems unlikely to grant agencies additional powers. And private projects, like those from The New York Times and Johns Hopkins University, which made covid data understandable and useful for everyday people, stopped collecting data in March.

Public health legal scholars, data experts, former and current federal officials, and patients at high risk of severe covid outcomes worry the scaling back of data access could make it harder to control covid.

There have been improvements in recent years, such as major investments in public health infrastructure and updated data reporting requirements in some states. But concerns remain that the overall shambolic state of U.S. public health data infrastructure could hobble the response to any future threats.

“We’re all less safe when there’s not the national amassing of this information in a timely and coherent way,” said Anne Schuchat, former principal deputy director of the Centers for Disease Control and Prevention.

A lack of data in the early days of the pandemic left federal officials, like Schuchat, with an unclear picture of the rapidly spreading coronavirus. And even as the public health emergency opened the door for data-sharing, the CDC labored for months to expand its authority.

Eventually, more than a year into the pandemic, the CDC gained access to data from private health care settings, such as hospitals and nursing homes, commercial labs, and state and local health departments.

CDC officials have been working to retain its authority over some information, such as vaccination records, said Director Rochelle Walensky.

Walensky told the U.S. House in February that expanding the CDC’s ability to collect public health data is critical to its ability to respond to threats.

“The public expects that we will jump on things before they become public health emergencies,” she later told KFF Health News. “We can’t do that if we don’t have access to data.”

The agency is negotiating information-sharing agreements with dozens of state and local governments, Walensky said, as well as partnering with the Centers for Medicare & Medicaid Services. It is also lobbying for the legal power to access data from both public and private parts of the health care system. The hospital data reporting requirement was decoupled from the health emergency and is set to expire next year.

But it’s an uphill battle.

“Some of those data points we may not have anymore,” Walensky said, noting how access to covid test results from labs will disappear. That data became a less precise indicator as people turned to at-home testing.

Moving forward, Walensky said, the CDC’s covid tracking will resemble its seasonal flu surveillance, which uses information from sample sites to establish broad trends. It’ll offer a less granular view of how covid is spreading, which experts worry could make it harder to notice troubling new viral variants early.

Overall, federal courts — including the U.S. Supreme Court — have not been supportive of expanded public health powers in recent years. Some issued rulings to block mask mandates, pause mandatory covid vaccination requirements, and end the nationwide eviction moratorium.

Such power limits leave the CDC with its “utterly dysfunctional, antiquated” data collection system, said Lawrence Gostin, director of the O’Neill Institute for National and Global Health Law at Georgetown University. It’s like a “mosaic,” he said, in which states and territories collect data their own way and decide how much to share with federal officials.

Although covid numbers are trending down, the CDC still counts thousands of new infections and hundreds of new deaths each week. More than 1,000 Americans are also hospitalized with covid complications daily.

“When we stop looking, it makes it all more invisible,” Gostin said. “Covid knowledge and awareness is going to melt into the background.”

State and local public health officials are generally willing to share data with federal agencies, but they often run into legal hurdles that prevent them from doing so, said Marcus Plescia, chief medical officer of the Association of State and Territorial Health Officials.

It will take a lot of work to loosen state restrictions on public health data. And the political will may be lacking, considering many jurisdictions have rolled back public health powers in recent years. Until rules change, the CDC’s power to help states is limited, Plescia said.

“Their hands are tied a little bit in how much they can do,” he said.

Public health officials rely on data to target interventions and track how well they’re working. A lack of information can create blind spots that exacerbate poor outcomes for high-risk populations, said Denise Chrysler, a senior adviser for the Network for Public Health Law.

“If you don’t have the data, you can’t locate who you’re failing to serve. They’re going to fall between the cracks,” she said.

The lack of covid data broken down by race and ethnicity in the early days of the pandemic obscured the outsize impact covid had on marginalized groups, such as Black and Hispanic people, Chrysler said. Some states, like New Jersey and Arizona, issued rules to mandate the collection of race and ethnicity data for covid, but they were temporary and tied to state emergency declarations, she said.

Inconsistent local data precipitated the end of privately run projects that supplemented government resources.

The available data researchers could pull from “was just terrible,” said Beth Blauer, associate vice provost for public sector innovation at Johns Hopkins, who helped launch its dashboard. The decision to end the program was practical.

“We were relying on publicly available data sources, and the quality had rapidly eroded in the last year,” she said.

The fast collapse of the data network also raises questions about state and local agencies’ long-term investments in tracking covid and other threats.

“I wish that we had a set of data that would help us guide personal decision-making,” Blauer said. “Because I’m still fearful of a pandemic that we don’t really know a ton about.”

To Schuchat, formerly of the CDC, there’s a lot of ground to regain after years of underinvestment in public health, long before the covid pandemic — and high stakes in ensuring good data systems.

The CDC’s detection of a vaping-related lung illness in 2019 was recognized after case reports from a hospital in Wisconsin, she said. And she attributed the nation’s slow reaction to the opioid crisis on poor access to emergency room data showing a troubling trend in overdoses.

“We’re much better when we detect things before there’s an emergency,” Schuchat said. “We can prevent major emergencies from happening.”

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Suicides and suicide attempts by poisoning rose sharply among children and teens during the pandemic | CNN



CNN
 — 

The rate of suspected suicides and suicide attempts by poisoning among young people rose sharply during the Covid-19 pandemic, a new study says. Among children 10 to 12 years old, the rate increased more than 70% from 2019 to 2021.

The analysis, published Thursday in the US Centers for Disease Control and Prevention’s Morbidity and Mortality Weekly Report, looked at what the National Poison Data System categorized as “suspected suicides” by self-poisoning for 2021 among people ages 10 to 19; the records included both suicide attempts and deaths by suicide.

The data showed that attempted suicides and suicides by poisoning increased 30% in 2021 compared with 2019, before the pandemic began.

Younger children, ages 10 to 12, had the biggest increase at 73%. For 13- to 15-year-olds, there was a 48.8% increase in suspected suicides and attempts by poisoning from 2019 to 2021. Girls seemed to be the most affected, with a 36.8% increase in suspected suicides and attempts by poisoning.

“I think the group that really surprised us was the 10- to 12-year-old age group, where we saw a 73% increase, and I can tell you that from my clinical practice, this is what we’re seeing also,” said study co-author Dr. Chris Holstege, professor of emergency medicine and pediatrics chief at the University of Virginia School of Medicine. “We’re seeing very young ages ages that I didn’t used to see attempting suicide by poisoning.

“It was pretty stunning from our perspective,” he said.

Twenty or so years ago, when he started working at the University of Virginia, he said, they rarely treated anyone ages 9 to 12 for suicide by poisoning. Now, it’s every week.

“This is an aberration that’s fairly new in our practice,” Holstege said.

The records showed that many of the children used medicines that would be commonly found around the house, including acetaminophen, ibuprofen and diphenhydramine, which is sold under brand names including Benadryl.

There was a 71% jump from 2019 to 2021 in attempts at suicide using acetaminophen alone, Holstege said.

The choice of over-the-counter medications is concerning because children typically have easy access to these products, and they often come in large quantities.

Holstege encourages caregivers to keep all medications in lock boxes, even the seemingly innocuous over-the-counter ones.

If a child overdoses on something like acetaminophen or diphenhydramine, Holstege encourages parents to bring their children into the hospital without delay, because the toxicity of the drug worsens over time. It’s also a good idea to call a poison center, a confidential resource that is available around the clock.

“We want to make sure that the children are taken care of in regards to their mental health but also in regards to the poisoning if there’s suspicion that they took an overdose,” he said.

There were limitations to the data used in the new study. It captured only the number of families or institutions that reached out to the poison control line; it cannot account for those who attempted suicide by means other than poison. It also can’t capture exactly how many children or families sought help from somewhere other than poison control, so the increase in suspected suicides could be higher.

The American Academy of Pediatrics has noted that the Covid-19 pandemic exacerbated existing mental health struggles that existed even. In 2021, the group called child and adolescent mental health a “national emergency.” Emergency room clinicians across the country have also said they’ve seen record numbers of children with mental health crises, including attempts at suicide.

In 2020, suicide was the second leading cause of death among children ages 10 to 14 and the third leading cause among those 15 to 24, according to the CDC.

Although the height of the pandemic is over, kids are still emotionally vulnerable, experts warn. Previous attempts at suicide have been found to be the “strongest predictor of subsequent death by suicide,” the study said.

“An urgent need exists to strengthen programs focused on identifying and supporting persons at risk for suicide, especially young persons,” the study said.

Research has shown that there is a significant shortage of trained professionals and treatment facilities that can address the number of children who need better mental health care. In August, the Biden administration announced a plan to make it easier for millions of kids to get access to mental and physical health services at school.

At home, experts said, families should constantly check in with children to see how they are doing emotionally. Caregivers also need to make sure they restrict access to “lethal means,” like keeping medicines – even over-the-counter items – away from children and keeping guns locked up.

Dr. Aron Janssen, vice chair of clinical affairs at the Pritzker Department of Psychiatry and Behavioral Health at Lurie Children’s in Chicago, said he is not surprised to see the increase in suspected suicides, “but it doesn’t make it any less sad.”

Janssen, who did not work on the new report, called the increase “alarming.”

The rates of suicide attempts among kids had been increasing even prior to the pandemic, he said, “but this shows Covid really supercharged this as a phenomenon.

“We see a lot of kids who lost access to social supports increasingly isolated and really struggling to manage through day to day.”

Janssen said that he and his colleagues believe these suspected suicides coincide with increased rates of depression and anxiety and a sense of real dread about the future.

One of the biggest concerns is that “previous suicide attempts is the biggest predictor of later suicide completion,” he said. “We really want to follow these kids over time to better understand how to support them, to make sure that we’re doing everything within our power to help steer them away from future attempts.”

Janssen said it’s important to keep in mind that the vast majority of children survived even the worst of the pandemic and did quite well. There are treatments that work, and kids who can get connected to the appropriate care – including talk therapy and, in some cases, medication – can and do get better.

“We do see that. We do see improvement. We do see efficacy of our care,” Janssen said. “We just have to figure out how we can connect kids to care.”

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A new approach to a Covid-19 nasal vaccine shows early promise | CNN



CNN
 — 

Scientists in Germany say they’ve been able to make a nasal vaccine that can shut down a Covid-19 infection in the nose and throat, where the virus gets its first foothold in the body.

In experiments in hamsters, two doses of the vaccine – which is made with a live but weakened form of the coronavirus that causes Covid-19 – blocked the virus from copying itself in the animals’ upper airways, achieving “sterilizing immunity” and preventing illness, a long-sought goal of the pandemic.

Although this vaccine has several more hurdles to clear before it gets to a doctor’s office or drug store, other nasal vaccines are in use or are nearing the finish line in clinical trials.

China and India both rolled out vaccines given through the nasal tissues last fall, though it’s not clear how well they may be working. Studies on the effectiveness of these vaccines have yet to be published, leaving much of the world to wonder whether this approach to protection really works in people.

The US has reached something of a stalemate with Covid-19. Even with the darkest days of the pandemic behind us, hundreds of Americans are still dying daily as the infection continues to simmer in the background of our return to normal life.

As long as the virus continues to spread among people and animals, there’s always the potential for it mutate into a more contagious or more damaging version of itself. And while Covid infections have become manageable for most healthy people, they may still pose a danger to vulnerable groups such as the elderly and immunocompromised.

Researchers hope next-generation Covid-19 vaccines, which aim to shut down the virus before it ever gets a chance to make us sick and ultimately prevent the spread of infection, could make our newest resident respiratory infection less of a threat.

One way scientists are trying to do that is by boosting mucosal immunity, beefing up immune defenses in the tissues that line the upper airways, right where the virus would land and begin to infect our cells.

It’s a bit like stationing firefighters underneath the smoke alarm in your house, says study author Emanuel Wyler, a scientist at the Max Delbruck Center for Molecular Medicine in the Helmholtz Association in Berlin.

The immunity that’s created by shots works throughout the body, but it resides primarily in the blood. That means it may take longer to mount a response.

“If they are already on site, they can immediately eliminate the fire, but if they’re like 2 miles away, they first need to drive there, and by that time, one-third of the house is already in full flames,” Wyler said.

Mucosal vaccines are also better at priming a different kind of first responder than injections do. They do a better job of summoning IgA antibodies, which have four arms to grab onto invaders instead of the two arms that the y-shaped IgG antibodies have. Some scientists think IgA antibodies may be less picky about their targets than IgG antibodies, which makes them better equipped to deal with new variants.

The new nasal vaccine takes a new approach to a very old idea: weakening a virus so it’s no longer a threat and then giving it to people so their immune systems can learn to recognize and fight it off. The first vaccines using this approach date to the 1870s, against anthrax and rabies. Back then, scientists weakened the agents they were using with heat and chemicals.

The researchers manipulated the genetic material in the virus to make it harder for cells to translate. This technique, called codon pair deoptimization, hobbles the virus so it can be shown to the immune system without making the body sick.

“You could imagine reading a text … and every letter is a different font, or every letter is a different size, then the text is much harder to read. And this is basically what we do in codon pair deoptimization,” Wyler said.

In the hamster studies, which were published Monday in the journal Nature Microbiology, two doses of the live but weakened nasal vaccine created a much stronger immune response than either two doses of an mRNA-based vaccine or one that uses an adenovirus to ferry the vaccine instructions into cells.

The researchers think the live weakened vaccine probably worked better because it closely mimics the process of a natural infection.

The nasal vaccine also previews the entire coronavirus for the body, not just its spike proteins like current Covid-19 vaccines do, so the hamsters were able to make immune weapons against a wider range of targets.

As promising as all this sounds, vaccine experts say caution is warranted. This vaccine still has to pass more tests before it’s ready for use, but they say the results look encouraging.

“They did a very nice job. This is obviously a competent and thoughtful team that did this work, and impressive in the scope of what they did. Now it just needs to be repeated,” perhaps in primates and certainly in humans before it can be widely used, said Dr. Greg Poland, who designs vaccines at the Mayo Clinic. He was not involved in the new research.

The study began in 2021, before the Omicron variant was around, so the vaccine tested in these experiments was made with the original strain of the coronavirus. In the experiments, when they infected animals with Omicron, the live but weakened nasal vaccine still performed better than the others, but its ability to neutralize the virus was diminished. Researchers think it will need an update.

It also needs to be tested in humans, and Wyler says they’re working on that. The scientists have partnered with a Swiss company called RocketVax to start phase I clinical trials.

Other vaccines are further along, but the progress has been “slow and halting,” Poland said. Groups working on these vaccines are struggling to raise the steep costs of getting a new vaccine to market, and they’re doing it in a setting where people tend to think the vaccine race has been won and done.

In reality, Poland said, we’re far from that. All it would take is another Omicron-level shift in the evolution of the virus, and we could be back at square one, with no effective tools against the coronavirus.

“That’s foolish. We should be developing a pan-coronavirus vaccine that does induce mucosal immunity and that is long-lived,” he said.

At least four nasal vaccines for Covid-19 have reached late-stage testing in people, according to the World Health Organization’s vaccine tracker.

The nasal vaccines in use in China and India rely on harmless adenoviruses to ferry their instructions into cells, although effectiveness data for these has not been published.

Two other nasal vaccines are finishing human studies.

One, a recombinant vaccine that can be produced cheaply in chicken eggs, the same way many flu vaccines are, is being put through its paces by researchers at Mount Sinai in New York City.

Another, like the German vaccine, uses a live but weakened version of the virus. It’s being developed by a company called Codagenix. Results of those studies, which were carried out in South America and Africa, may come later this year.

The German team says it’s eagerly watching for the Codagenix data.

“They will be very important in order to know where whether this kind of attempt is basically promising or not,” Wyler said.

They have reason to worry. Respiratory infections have proved to be tough targets for inhaled vaccines.

FluMist, a live but weakened form of the flu virus, works reasonably well in children but doesn’t help adults as much. The reason is thought to be that adults already have immune memory for the flu, and when the virus is injected into the nose, the vaccine mostly boosts what’s already there.

Still, some of the most potent vaccines such as the vaccine against measles, mumps and rubella use live attenuated viruses, so it’s a promising approach.

Another consideration is that live vaccines can’t be taken by everyone. People with very compromised immunity are often cautioned against using live vaccines because even these very weakened viruses may be risky for them.

“Although it’s strongly attenuated, it’s still a real virus,” Wyler said, so it would have to be used carefully.

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Pediatric hospital beds are in high demand for ailing children. Here’s why | CNN



CNN
 — 

Effie Schnacky was wheezy and lethargic instead of being her normal, rambunctious self one February afternoon. When her parents checked her blood oxygen level, it was hovering around 80% – dangerously low for the 7-year-old.

Her mother, Jaimie, rushed Effie, who has asthma, to a local emergency room in Hudson, Wisconsin. She was quickly diagnosed with pneumonia. After a couple of hours on oxygen, steroids and nebulizer treatments with little improvement, a physician told Schnacky that her daughter needed to be transferred to a children’s hospital to receive a higher level of care.

What they didn’t expect was that it would take hours to find a bed for her.

Even though the respiratory surge that overwhelmed doctor’s offices and hospitals last fall is over, some parents like Schnacky are still having trouble getting their children beds in a pediatric hospital or a pediatric unit.

The physical and mental burnout that occurred during the height of the Covid-19 pandemic has not gone away for overworked health care workers. Shortages of doctors and technicians are growing, experts say, but especially in skilled nursing. That, plus a shortage of people to train new nurses and the rising costs of hiring are leaving hospitals with unstaffed pediatric beds.

But a host of reasons building since well before the pandemic are also contributing. Children may be the future, but we aren’t investing in their health care in that way. With Medicaid reimbursing doctors at a lower rate for children, hospitals in tough situations sometimes put adults in those pediatric beds for financial reasons. And since 2019, children with mental health crises are increasingly staying in emergency departments for sometimes weeks to months, filling beds that children with other illnesses may need.

“There might or might not be a bed open right when you need one. I so naively just thought there was plenty,” Schnacky told CNN.

The number of pediatric beds decreasing has been an issue for at least a decade, said Dr. Daniel Rauch, chair of the Committee on Hospital Care for the American Academy of Pediatrics.

By 2018, almost a quarter of children in America had to travel farther for pediatric beds as compared to 2009, according to a 2021 paper in the journal Pediatrics by lead author Dr. Anna Cushing, co-authored by Rauch.

“This was predictable,” said Rauch, who has studied the issue for more than 10 years. “This isn’t shocking to people who’ve been looking at the data of the loss in bed capacity.”

The number of children needing care was shrinking before the Covid-19 pandemic – a credit to improvements in pediatric care. There were about 200,000 fewer pediatric discharges in 2019 than there were in 2017, according to data from the US Department of Health and Human Services.

“In pediatrics, we have been improving the ability we have to take care of kids with chronic conditions, like sickle cell and cystic fibrosis, and we’ve also been preventing previously very common problems like pneumonia and meningitis with vaccination programs,” said Dr. Matthew Davis, the pediatrics department chair at Ann & Robert H. Lurie Children’s Hospital of Chicago.

Pediatrics is also seasonal, with a typical drop in patients in the summer and a sharp uptick in the winter during respiratory virus season. When the pandemic hit, schools and day cares closed, which slowed the transmission of Covid and other infectious diseases in children, Davis said. Less demand meant there was less need for beds. Hospitals overwhelmed with Covid cases in adults switched pediatric beds to beds for grownups.

As Covid-19 tore through Southern California, small hospitals in rural towns like Apple Valley were overwhelmed, with coronavirus patients crammed into hallways, makeshift ICU beds and even the pediatric ward.

Only 37% of hospitals in the US now offer pediatric services, down from 42% about a decade ago, according to the American Hospital Association.

While pediatric hospital beds exist at facilities in Baltimore, the only pediatric emergency department in Baltimore County is Greater Baltimore Medical Center in Towson, Maryland, according to Dr. Theresa Nguyen, the center’s chair of pediatrics. All the others in the county, which has almost 850,000 residents, closed in recent years, she said.

The nearby MedStar Franklin Square Medical Center consolidated its pediatric ER with the main ER in 2018, citing a 40% drop in pediatric ER visits in five years, MedStar Health told CNN affiliate WBAL.

In the six months leading up to Franklin Square’s pediatric ER closing, GBMC admitted an average of 889 pediatric emergency department patients each month. By the next year, that monthly average jumped by 21 additional patients.

“Now we’re seeing the majority of any pediatric ED patients that would normally go to one of the surrounding community hospitals,” Nguyen said.

In July, Tufts Medical Center in Boston converted its 41 pediatric beds to treat adult ICU and medical/surgical patients, citing the need to care for critically ill adults, the health system said.

In other cases, it’s the hospitals that have only 10 or so pediatric beds that started asking the tough questions, Davis said.

“Those hospitals have said, ‘You know what? We have an average of one patient a day or two patients a day. This doesn’t make sense anymore. We can’t sustain that nursing staff with specialized pediatric training for that. We’re going to close it down,’” Davis said.

Registered nurses at Tufts Medical Center hold a

Saint Alphonsus Regional Medical Center in Boise closed its pediatric inpatient unit in July because of financial reasons, the center told CNN affiliate KBOI. That closure means patients are now overwhelming nearby St. Luke’s Children’s Hospital, which is the only children’s hospital in the state of Idaho, administrator for St. Luke’s Children’s Katie Schimmelpfennig told CNN. Idaho ranks last for the number of pediatricians per 100,000 children, according to the American Board of Pediatrics in 2023.

The Saint Alphonsus closure came just months before the fall, when RSV, influenza and a cadre of respiratory viruses caused a surge of pediatric patients needing hospital care, with the season starting earlier than normal.

The changing tide of demand engulfed the already dwindling supply of pediatric beds, leaving fewer beds available for children coming in for all the common reasons, like asthma, pneumonia and other ailments. Additional challenges have made it particularly tough to recover.

Another factor chipping away at bed capacity over time: Caring for children pays less than caring for adults. Lower insurance reimbursement rates mean some hospitals can’t afford to keep these beds – especially when care for adults is in demand.

Medicaid, which provides health care coverage to people with limited income, is a big part of the story, according to Joshua Gottlieb, an associate professor at the University of Chicago Harris School of Public Policy.

“Medicaid is an extremely important payer for pediatrics, and it is the least generous payer,” he said. “Medicaid is responsible for insuring a large share of pediatric patients. And then on top of its low payment rates, it is often very cumbersome to deal with.”

Pediatric gastroenterologist Dr. Howard Baron visits with a patient in 2020 in Las Vegas. A large portion of his patients are on Medicaid with reimbursement rates that are far below private insurers.

Medicaid reimburses children’s hospitals an average of 80% of the cost of the care, including supplemental payments, according to the Children’s Hospital Association, a national organization which represents 220 children’s hospitals. The rate is far below what private insurers reimburse.

More than 41 million children are enrolled in Medicaid and the Children’s Health Insurance Program, according to Kaiser Family Foundation data from October. That’s more than half the children in the US, according to Census data.

At Children’s National Hospital in Washington, DC, about 55% of patients use Medicaid, according to Dr. David Wessel, the hospital’s executive vice president.

“Children’s National is higher Medicaid than most other children’s hospitals, but that’s because there’s no safety net hospital other than Children’s National in this town,” said Wessel, who is also the chief medical officer and physician-in-chief.

And it just costs more to care for a child than an adult, Wessel said. Specialty equipment sized for smaller people is often necessary. And a routine test or exam for an adult is approached differently for a child. An adult can lie still for a CT scan or an MRI, but a child may need to be sedated for the same thing. A child life specialist is often there to explain what’s going on and calm the child.

“There’s a whole cadre of services that come into play, most of which are not reimbursed,” he said. “There’s no child life expert that ever sent a bill for seeing a patient.”

Low insurance reimbursement rates also factor into how hospital administrations make financial decisions.

“When insurance pays more, people build more health care facilities, hire more workers and treat more patients,” Gottlieb said.

“Everyone might be squeezed, but it’s not surprising that pediatric hospitals, which face [a] lower, more difficult payment environment in general, are going to find it especially hard.”

Dr. Benson Hsu is a pediatric critical care provider who has served rural South Dakota for more than 10 years. Rural communities face distinct challenges in health care, something he has seen firsthand.

A lot of rural communities don’t have pediatricians, according to the American Board of Pediatrics. It’s family practice doctors who treat children in their own communities, with the goal of keeping them out of the hospital, Hsu said. Getting hospital care often means traveling outside the community.

Hsu’s patients come from parts of Nebraska, Iowa and Minnesota, as well as across South Dakota, he said. It’s a predominantly rural patient base, which also covers those on Native American reservations.

“These kids are traveling 100, 200 miles within their own state to see a subspecialist,” Hsu said, referring to patients coming to hospitals in Sioux Falls. “If we are transferring them out, which we do, they’re looking at travels of 200 to 400 miles to hit Omaha, Minneapolis, Denver.”

Inpatient pediatric beds in rural areas decreased by 26% between 2008 and 2018, while the number of rural pediatric units decreased by 24% during the same time, according to the 2021 paper in Pediatrics.

Steve Inglish, left, and registered nurse Nikole Hoggarth, middle, help a father with his daughter, who fell and required stiches, inside the emergency department at Jamestown Regional Medical Center in rural North Dakota in 2020.

“It’s bad, and it’s getting worse. Those safety net hospitals are the ones that are most at risk for closure,” Rauch said.

In major cities, the idea is that a critically ill child would get the care they need within an hour, something clinicians call the golden hour, said Hsu, who is the critical care section chair at the American Academy of Pediatrics.

“That golden hour doesn’t exist in the rural population,” he said. “It’s the golden five hours because I have to dispatch a plane to land, to drive, to pick up, stabilize, to drive back, to fly back.”

When his patients come from far away, it uproots the whole family, he said. He described families who camp out at a child’s bedside for weeks at a time. Sometimes they are hundreds of miles from home, unlike when a patient is in their own community and parents can take turns at the hospital.

“I have farmers who miss harvest season and that as you can imagine is devastating,” Hsu said. “These aren’t office workers who are taking their computer with them. … These are individuals who have to live and work in their communities.”

Back at GBMC in Maryland, an adolescent patient with depression, suicidal ideation and an eating disorder was in the pediatric emergency department for 79 days, according to Nguyen. For months, no facility had a pediatric psychiatric bed or said it could take someone who needed that level of care, as the patient had a feeding tube.

“My team of physicians, social workers and nurses spend a significant amount of time every day trying to reach out across the state of Maryland, as well as across the country now to find placements for this adolescent,” Nguyen said before the patient was transferred in mid-March. “I need help.”

Nguyen’s patient is just one of the many examples of children and teens with mental health issues who are staying in emergency rooms and sometimes inpatient beds across the country because they need help, but there isn’t immediately a psychiatric bed or a facility that can care for them.

It’s a problem that began before 2020 and grew worse during the pandemic, when the rate of children coming to emergency rooms with mental health issues soared, studies show.

Now, a nationwide shortage of beds exists for children who need mental health help. A 2020 federal survey revealed that the number of residential treatment facilities for children fell 30% from 2012.

“There are children on average waiting for two weeks for placement, sometimes longer,” Nguyen said of the patients at GBMC. The pediatric emergency department there had an average of 42 behavioral health patients each month from July 2021 through December 2022, up 13.5% from the same period in 2017 to 2018, before the pandemic, according to hospital data.

When there are mental health patients staying in the emergency department, that can back up the beds in other parts of the hospital, creating a downstream effect, Hsu said.

“For example, if a child can’t be transferred from a general pediatric bed to a specialized mental health center, this prevents a pediatric ICU patient from transferring to the general bed, which prevents an [emergency department] from admitting a child to the ICU. Health care is often interconnected in this fashion,” Hsu said.

“If we don’t address the surging pediatric mental health crisis, it will directly impact how we can care for other pediatric illnesses in the community.”

Dr. Susan Wu, right, chats with a child who got her first dose of the Pfizer-BioNtech Covid-19 vaccine at Children's Hospital Arcadia Speciality Care Center in Arcadia, California, in 2022.

So, what can be done to improve access to pediatric care? Much like the reasons behind the difficulties parents and caregivers are experiencing, the solutions are complex:

  • A lot of it comes down to money

Funding for children’s hospitals is already tight, Rauch said, and more money is needed not only to make up for low insurance reimbursement rates but to competitively hire and train new staff and to keep hospitals running.

“People are going to have to decide it’s worth investing in kids,” Rauch said. “We’re going to have to pay so that hospitals don’t lose money on it and we’re going to have to pay to have staff.”

Virtual visits, used in the right situations, could ease some of the problems straining the pediatric system, Rauch said. Extending the reach of providers would prevent transferring a child outside of their community when there isn’t the provider with the right expertise locally.

  • Increased access to children’s mental health services

With the ongoing mental health crisis, there’s more work to be done upstream, said Amy Wimpey Knight, the president of CHA.

“How do we work with our school partners in the community to make sure that we’re not creating this crisis and that we’re heading it off up there?” she said.

There’s also a greater need for services within children’s hospitals, which are seeing an increase in children being admitted with behavioral health needs.

“If you take a look at the reasons why kids are hospitalized, meaning infections, diabetes, seizures and mental health concerns, over the last decade or so, only one of those categories has been increasing – and that is mental health,” Davis said. “At the same time, we haven’t seen an increase in the number of mental health hospital resources dedicated to children and adolescents in a way that meets the increasing need.”

Most experts CNN spoke to agreed: Seek care for your child early.

“Whoever is in your community is doing everything possible to get the care that your child needs,” Hsu said. “Reach out to us. We will figure out a way around the constraints around the system. Our number one concern is taking care of your kids, and we will do everything possible.”

Nguyen from GBMC and Schimmelpfennig from St. Luke’s agreed with contacting your primary care doctor and trying to keep your child out of the emergency room.

“Anything they can do to stay out of the hospital or the emergency room is both financially better for them and better for their family,” Schimmelpfennig said.

Knowing which emergency room or urgent care center is staffed by pediatricians is also imperative, Rauch said. Most children visit a non-pediatric ER due to availability.

“A parent with a child should know where they’re going to take their kid in an emergency. That’s not something you decide when your child has the emergency,” he said.

Jaimie and Effie Schnacky now have an asthma action plan after the 7-year-old's hospitalization in February.

After Effie’s first ambulance ride and hospitalization last month, the Schnacky family received an asthma action plan from the pulmonologist in the ER.

It breaks down the symptoms into green, yellow and red zones with ways Effie can describe how she’s feeling and the next steps for adults. The family added more supplies to their toolkit, like a daily steroid inhaler and a rescue inhaler.

“We have everything an ER can give her, besides for an oxygen tank, at home,” Schnacky said. “The hope is that we are preventing even needing medical care.”

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US maternal death rate rose sharply in 2021, CDC data shows, and experts worry the problem is getting worse | CNN



CNN
 — 

As women continue to die due to pregnancy or childbirth each year in the United States, new federal data shows that the nation’s maternal death rate rose significantly yet again in 2021, with the rates among Black women more than twice as high as those of White women.

Experts said the United States’ ongoing maternal mortality crisis was compounded by Covid-19, which led to a “dramatic” increase in deaths.

The number of women who died of maternal causes in the United States rose to 1,205 in 2021, according to a report from the National Center for Health Statistics, released Thursday by the US Centers for Disease Control and Prevention. That’s a sharp increase from years earlier: 658 in 2018, 754 in 2019 and 861 in 2020.

That means the US maternal death rate for 2021 – the year for which the most recent data is available – was 32.9 deaths per 100,000 live births, compared with rates of 20.1 in 2019 and 23.8 in 2020.

The new report also notes significant racial disparities in the nation’s maternal death rate. In 2021, the rate for Black women was 69.9 deaths per 100,000 live births, which is 2.6 times the rate for White women, at 26.6 per 100,000.

The data showed that rates increased with the mother’s age. In 2021, the maternal death rate was 20.4 deaths per 100,000 live births for women under 25 and 31.3 for those 25 to 39, but it was 138.5 for those 40 and older. That means the rate for women 40 and older was 6.8 times higher than the rate for women under age 25, according to the report.

The maternal death rate in the United States has been steadily climbing over the past three decades, and these increases continued through the Covid-19 pandemic.

Questions remain about how the pandemic may have affected maternal mortality in the United States, according to Dr. Elizabeth Cherot, chief medical and health officer for the infant and maternal health nonprofit March of Dimes, who was not involved in the new report.

“What happened in 2020 and 2021 compared with 2019 is Covid,” Cherot said. “This is sort of my reflection on this time period, Covid-19 and pregnancy. Women were at increased risk for morbidity and mortality from Covid. And that actually has been well-proven in some studies, showing increased risks of death, but also being ventilated in the intensive care unit, preeclampsia and blood clots, all of those things increasing a risk of morbidity and mortality.”

The American College of Obstetricians and Gynecologists previously expressed “great concern” that the pandemic would worsen the US maternal mortality crisis, ACOG President Dr. Iffath Abbasi Hoskins said in a statement Thursday.

“Provisional data released in late 2022 in a U.S. Government Accountability Office report indicated that maternal death rates in 2021 had spiked—in large part due to COVID-19. Still, confirmation of a roughly 40% increase in preventable deaths compared to a year prior is stunning new,” Hoskins said.

“The new data from the NCHS also show a nearly 60% percent increase in maternal mortality rates in 2021 from 2019, just before the start of the pandemic. The COVID-19 pandemic had a dramatic and tragic effect on maternal death rates, but we cannot let that fact obscure that there was—and still is—already a maternal mortality crisis to compound.”

Health officials stress that people who are pregnant should get vaccinated against Covid-19 and that doing so offers protection for both the mother and the baby.

During the early days of the pandemic, in 2020, there was limited information about the vaccine’s risks and benefits during pregnancy, prompting some women to hold off on getting vaccinated. But now, there is mounting evidence of the importance of getting vaccinated for protection against serious illness and the risks of Covid-19 during pregnancy.

The Covid-19 pandemic also may have exacerbated existing racial disparities in the maternal death rate among Black women compared with White women, said Dr. Chasity Jennings-Nuñez, a California-based site director with Ob Hospitalist Group and chair of the perinatal/gynecology department at Adventist Health-Glendale, who was not involved in the new report.

“In terms of maternal mortality, it continues to highlight those structural and systemic problems that we saw so clearly during the Covid-19 pandemic,” Jennings-Nuñez said.

“So in terms of issues of racial health inequities, of structural racism and bias, of access to health care, all of those factors that we know have played a role in terms of maternal mortality in the past continue to play a role in maternal mortality,” she said. “Until we begin to address those issues, even without a pandemic, we’re going to continue to see numbers go in the wrong direction.”

Some policies have been introduced to tackle the United States’ maternal health crisis, including the Black Maternal “Momnibus” Act of 2021, a sweeping bipartisan package of bills that aim to provide pre- and post-natal support for Black mothers, including extending eligibility for certain benefits postpartum.

As part of the Momnibus, President Biden signed the bipartisan Protecting Moms Who Served Act in 2021, and other provisions have passed in the House.

In the United States, about 6.9 million women have little or no access to maternal health care, according to March of Dimes, which has been advocating in support of the Momnibus.

The US has the highest maternal death rate of any developed nation, according to the Commonwealth Fund and the latest data from the World Health Organization. While maternal death rates have been either stable or rising across the United States, they are declining in most countries.

“A high rate of cesarean sections, inadequate prenatal care, and elevated rates of chronic illnesses like obesity, diabetes, and heart disease may be factors contributing to the high U.S. maternal mortality rate. Many maternal deaths result from missed or delayed opportunities for treatment,” researchers from the Commonwealth Fund wrote in a report last year.

The ongoing rise in maternal deaths in the United States is “disappointing,” said Dr. Elizabeth Langen, a high-risk maternal-fetal medicine physician at the University of Michigan Health Von Voigtlander Women’s Hospital. She was not involved in the latest report but cares for people who have had serious complications during pregnancy or childbirth.

“Those of us who work in the maternity care space have known that this is a problem in our country for quite a long time. And each time the new statistics come out, we’re hopeful that some of the efforts that have been going on are going to shift the direction of this trend. It’s really disappointing to see that the trend is not going in the right direction but, at some level, is going in the worst direction and at a little bit of a faster rate,” Langen said.

“In the health care system, we need to accept ultimate responsibility for the women who die in our care,” she added. “But as a nation, we also need to accept some responsibility. We need to think about: How do we provide appropriate maternity care for people? How do we let people have time off of work to see their midwife or physician so that they get the care that they need? How do all of us make it possible to live a healthy life while you’re pregnant so that you have the opportunity to have the best possible outcome?”

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Up to 20,000 people who attended a religious gathering may have been exposed to measles. What should they do next? | CNN



CNN
 — 

Up to 20,000 people who attended a religious gathering at a college in Wilmore, Kentucky, in February could have been exposed to a person later diagnosed with measles.

On Friday, the US Centers for Disease Control and Prevention issued an alert to clinicians and public health officials about the confirmed case of measles in an individual present at the gathering who had not been vaccinated against the disease.

“If you attended the Asbury University gathering on February 17 or 18 and you are unvaccinated or not fully vaccinated against measles, you should quarantine for 21 days after your last exposure and monitor yourself for symptoms of measles so that you do not spread measles to others,” according to the CDC advisory.

The CDC also recommended that people who are unvaccinated receive the measles, mumps, and rubella (MMR) vaccine.

Reading this news, people may have questions about measles, including its symptoms, infection outcomes and who is most at risk. They may also want to know what makes measles so contagious, what has been the cause of recent outbreaks and how effective the MMR vaccine is.

To help answer these questions, I spoke with CNN Medical Analyst Dr. Leana Wen, an emergency physician and professor of health policy and management at the George Washington University Milken Institute School of Public Health. Previously, she served as Baltimore’s health commissioner, where her duties included overseeing the city’s immunization and infectious disease investigations.

CNN: What is measles, and what are the symptoms?

Dr. Leana Wen: Measles is an extremely contagious illness that’s caused by the measles virus. Despite many public health advances, including the development of the MMR vaccine, it remains a major cause of death among children globally.

The measles virus is transmitted via droplets from the nose, mouth or throat of infected individuals. If someone is infected and coughs or sneezes, droplets can land on you and infect you. These droplets can land on surfaces, and if you touch the surface and then touch your nose or mouth, that could infect you, too.

Symptoms usually appear 10 to 12 days after infection. They include a high fever, runny nose, conjunctivitis (pink eye) and small, painless white spots on the inside of the mouth. A few days after these symptoms begin, many individuals develop a characteristic rash — flat red spots that generally start on the face and then spread downward over the neck, trunk, arms, legs and feet. The spots can become joined together as they spread and can be accompanied by a high fever.

A nurse gives a woman a measles, mumps and rubella virus vaccin at the Utah County Health Department on April 29, 2019 in Provo, Utah.

CNN: What are outcomes of measles infections? Who is most at risk?

Wen: Many individuals recover without incident. Others, however, can develop severe complications.

One in five unvaccinated people with measles are hospitalized, according to the CDC. As many as 1 out of every 20 children with measles will get pneumonia; about 1 in 1,000 who get measles can develop encephalitis, a swelling of the brain that can lead to seizures and leave the child with lasting disabilities. And nearly 1 to 3 out of every 1,000 children who are infected with measles will die.

Measles is not only a concern for children. It can also cause premature births in pregnant women who contract it. Immunocompromised people, such as cancer patients and those infected with HIV, are also at increased risk.

CNN: What makes measles so contagious?

Wen: Measles is one of the most contagious diseases in the world — up to 90% of the unvaccinated people who come into contact with a contagious individual will also become infected. The measles virus can remain in the air for up to two hours after an infected person leaves an area.

Another reason why measles spreads so easily is its long incubation period. In infected people, the time from exposure to fever is an average of about 10 days, and from exposure to rash onset is about 14 days — but could be up to 21 days. In addition, infected people are contagious from four days before rash starts through four days after. That’s a long period of time where they could unknowingly infect others.

CNN: What has been the cause of recent measles outbreaks?

Wen: It’s important to note that this incident in Kentucky is not yet considered an outbreak. Only one person has been diagnosed with measles. That person was possibly exposed to many others given the number of people in attendance at this gathering, but we don’t know yet if any of those people were infected.

But let’s look at a recent example of a confirmed outbreak in the US: In November 2022, health officials in central Ohio raised alarm over young children being diagnosed with measles. In all, 85 children got sick. None of the children died, but 36 needed to be hospitalized. All those infected were either unvaccinated or not yet fully vaccinated.

Health officials were able to contain the outbreak through contact tracing, vaccination and other public health measures in early February, and it was declared over. But there is concern it won’t be the last of its kind. A study from the CDC reported the rate of immunizations for required vaccines among kindergarten students nationwide dropped from 95% in the 2019-20 school year to 93% in the 2021-22 school year. Some communities have far lower rates than this national average, however, which can lead to outbreaks — not only of measles but also diseases like polio that can also have severe consequences.

CNN: How effective is the MMR vaccine?

Wen: The MMR vaccine is a two-dose vaccine. The recommendation is for children to receive the first dose at age 12-15 months and the second dose at age 4-6 years. One dose of the MMR vaccine 93% effective at preventing measles infection. Two doses are 97% effective.

CNN: What is the best way to protect against measles?

Wen: The MMR vaccine is an extremely safe and very effective vaccine and is recognized as a significant public health advance for preventing an otherwise extremely contagious disease from spreading and causing potentially very severe — even fatal — outcomes.

Consider that the vaccine was licensed in the US in 1963. In the four years before that, there were an average of more than 500,000 cases of measles every year and over 430 measles-associated deaths. By 1998, there were just 89 cases and no measles-associated deaths. That’s a huge public health triumph.

Young children should receive the vaccine according to the recommended schedule. Older kids and adults who never received it should also discuss getting it with their health care provider. And clinicians and public health officials in the US and around the world should redouble efforts to increase routine childhood immunizations so as to stop preventable diseases from making a comeback.

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Celebrities may have helped shape anti-vaccine opinions during Covid-19 pandemic, study finds | CNN



CNN
 — 

Covid-19 vaccines are known to be safe and effective, and they’re available for free, but many Americans in the US refuse to get them – and a recent study suggests that celebrities may share some of the blame for people’s mistrust.

Celebrities have long tried to positively influence public health, studies show, but during the Covid-19 pandemic, they also seemed to have a large influence on spreading misinformation.

Decades ago, in the 1950s, people could see stars like Elvis Presley, Dick Van Dyke and Ella Fitzgerald in TV ads that encouraged polio vaccination. This celebrity influence boosted the country’s general vaccination efforts, and vaccination nearly eliminated the deadly disease.

In 2021, US officials used celebrities in TV ads to encourage more people to get vaccinated against Covid-19. Big names like lifestyle guru Martha Stewart, singer Charlie Puth and even Senate Minority Leader Mitchell McConnell showed up in spots that had billions of ad impressions.

The world isn’t restricted to only three TV networks any more, so celebrities like actress Hilary Duff, actor Dwayne “The Rock” Johnson, singer Dolly Parton and even Big Bird also used their enormous presence on Instagram and Twitter to promote a pro Covid-19 vaccine message.

But social media also became a vehicle for celebrities to cast doubt about the safety and effectiveness of the vaccine and even to spread disinformation about Covid.

Their negative messages seemed to find an audience.

For their study, published in the journal BMJ Health & Care Informatics, researchers examined nearly 13 million tweets between January 2020 and March 2022 about Covid-19 and vaccines. They designed a natural language model to determine the sentiment of each tweet and compared them with tweets that also mentioned people in the public eye.

The stars they picked to analyze included people who had shared skepticism about the vaccines, who had Covid-related tweets that were identified as misinformation or who retweeted misinformation about Covid.

They included rapper Nicki Minaj, football player Aaron Rodgers, tennis player Novak Djokovic, singer Eric Clapton, Sen. Rand Paul, former President Donald Trump, Sen. Ted Cruz, Florida Gov. Ron DeSantis, TV host Tucker Carlson and commentator Joe Rogan.

The researchers found 45,255 tweets from 34,407 unique authors talking about Covid-19 vaccine-related issues. Those tweets generated a total of 16.32 million likes. The tweets from these influencers, overall, were more negative about the vaccine than positive, the study found. These tweets were specifically more related to antivaccine controversy, rather than news about vaccine development, the study said.

The highest number of negative comments was associated with Rodgers and Minaj. Clapton had “very few” positive tweets, the study said, and that may have had an influence, but he also caught flak for it from the public.

The most-liked tweet that mentioned Clapton and the vaccine said, “Strongly disagree with [EC] … take on Covid and the vaccine and disgusted by his previous white supremacist comments. But if you reference the death of his son to criticize him, you are an ignorant scumbag.”

Trump and Cruz were found to have the most substantial impact within this group, with combined likes totaling more than 122,000.

They too came in for criticism on the topic, with many users wondering whether these politicians were qualified to have opinions about the vaccines. The study said the most-liked tweet mentioning Cruz was, “I called Ted Cruz’s office asking to make an appointment to talk with the Senator about my blood pressure. They told me that the Senator was not qualified to give medical advice and that I should call my doctor. So I asked them to stop advising about vaccines.”

The most-liked tweet associated with Rogan was an antivaxx statement: “I love how the same people who don’t want us to listen to Joe Rogan, Aaron Rodgers about the covid vaccine, want us to listen to Big Bird & Elmo.”

Posts shared by news anchors and politicians seemed to have the most influence in terms of the most tweets and retweets, the study found.

“Our findings suggest that the presence of consistent patterns of emotional content co-occurring with messaging shared by those persons in the public eye that we’ve mentioned, influenced public opinion and largely stimulated online public discourse, for the at least over the course of the first two years of the Covid pandemic,” said study co-author Brianna White, a research coordinator in the Population Health Intelligence lab at the University of Tennessee Health Science Center – Oak Ridge National Laboratory Center for Biomedical Informatics.

“We also argue that obviously as the risk of severe negative health outcomes increase with the failure to comply with health protective behavior recommendations, that our findings suggest that polarized messages from societal elite may downplay those severe negative health outcome risks.”

The study doesn’t get into exactly why celebrity tweets would have such an impact on people’s attitudes about the vaccine. Dr. Ellen Selkie, who has conducted research on influence at the intersection of social media, celebrity and public health outcomes, said celebrities are influential because they attract a lot of attention.

“I think part of the influence that media have on behavior has to do with the amount of exposure. Just in general, the volume of content that is focused on a specific topic or on a specific sort of interpretation of that topic – in this case misinformation – the repeated exposure to any given thing is going to increase the likelihood that it’s going to have an effect,” said Selkie, who was not involved in the new research. She is an adolescent health pediatrician and researcher with UW Health Kids and an assistant professor of pediatrics at the University of Wisconsin School of Medicine and Public Health.

Just as people listen to a friend’s thoughts, they’ll listen to a celebrity whom they tend to like or identify with because they trust their opinion.

“With fandoms, in terms of the relationship between musical artists and actors and their fans, there is this sort of mutual love that fans and artists have for each other, which sort of can approximate that sense that they’re looking out for each other,” Selkie said.

She said she would be interested to see research on the influence of celebrities who tweeted positive messages about the Covid-19 vaccine.

The authors of the study hope public health leaders will use the findings right away.

“We argue this threat to population health should create a sense of urgency and warrants public health response to identify, develop and implement innovative mitigation strategies,” the study says.

Exposure to large amounts of this misinformation can have a lasting impact and work against the public’s best interest when it comes to their health.

“As populations grow to trust the influential nature of celebrity activity on social platforms, followers are disarmed and open to persuasion when faced with false information, creating opportunities for dissemination and rapid spread of misinformation and disinformation,” the study says.



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Cancer screenings could be back to normal after millions missed during Covid-19 pandemic | CNN



CNN
 — 

Millions of people across the United States missed routine cancer screenings during the second year of the Covid-19 pandemic, with the prevalence of screening for breast, cervical and prostate cancers in the previous year falling anywhere from 6% to 15% between 2019 and 2021, according to a new study from the American Cancer Society.

“We were thinking there would be a rebound in late 2020,” said Dr. William Dahut, chief scientific officer of the American Cancer Society. “We were surprised to see the continued increase in the number of folks not getting their screenings.”

But more recently, it appears that people are starting to return to routine screenings at rates seen before the pandemic, separate research suggests.

Rates of screening for breast, cervical and colon cancers may have returned to normal, according to more recent data published last week in the journal Epic Research, which is owned by the health care software company Epic.

“As screening rates returned to normal from the drop we previously reported, rates of cancer diagnosis returned to normal as well,” Dr. Chris Alban, a clinical informaticist at Epic Research, wrote in an email.

“We haven’t seen evidence that the screenings missed during the pandemic resulted in worsened patient outcomes, though we plan to monitor this trend to see whether it holds over time,” he said. “The recommended intervals between screenings for a given cancer can be several years, so evidence of advanced cancers can take a long time to appear.”

Due to the declines in cancer screenings as well as barriers to accessing treatment in the early days of the pandemic, not only did physicians nationwide worry that screening and treatment delays led to patients arriving at their offices with advanced cancer, some anecdotally reported seeing upticks in advanced cancers at the time.

The prevalence of screening for breast, cervical and prostate cancers did not return to pre-pandemic levels in 2021, the second year of the Covid-19 pandemic, according to the American Cancer Society’s new study, published Thursday in the Journal of Clinical Oncology.

The study included data on more than 60,000 adults in the United States who were eligible for screening for breast, cervical, prostate and colorectal cancers between 2019 and 2021. The data came from the US Centers for Disease Control and Prevention’s National Health Interview Survey.

The researchers found that between 2019 and 2021, the overall prevalence of eligible adults who completed screening in the previous year fell 6% for breast cancer, 15% for cervical cancer and 10% for prostate cancer. That means there were about 1 million fewer people who got screened for breast cancer, 4.4 million fewer screened for cervical cancer and about 700,000 fewer screened for prostate cancer.

“These declines have significant public health implications as they are expected to lead to more advanced stage cancer diagnosis in the future,” the researchers wrote.

The prevalence of screening for colorectal cancer was unchanged, the researchers found.

The growing popularity of at-home colon cancer screening tests probably offset any decline in colorectal cancer screenings, they wrote.

The researchers also found some racial differences, as the Asian community had the largest declines in breast, cervical and prostate cancer screenings.

“These findings are especially concerning as cancer is the leading cause of death in both Asian American men and women,” wrote the researchers, all from the American Cancer Society.

Dahut said that anyone who missed a routine cancer screening during the early days of the pandemic should catch up now.

“Even in the best of times, the number of folks who are screened is far too low,” he said. “Go ahead and follow the guidelines, get screened when appropriate, and the outcomes will be better.”

The Epic Research study involved data on 373,574 cancer diagnoses entered in patients’ charts in the US between January 2018 and December 2022.

The data came from 190 health care organizations that use software from Epic for their electronic health records. Together, these organizations represent 1,123 hospitals and more than 22,500 clinics, and they agreed to contribute to the de-identified data set, meaning no individual patient can be identified within the data.

The data showed a clear decrease in cancer cases early in the pandemic, which correlates with a decline in screening, but screening rates appeared to return to normal last year, as did cancer detection rates. The data also did not appear to show a significant rise in new diagnoses of advanced cancers through the end of last year.

It’s “good news” that the data demonstrate a return to pre-Covid rates of cancer screening, Dr. Arif Kamal, the American Cancer Society’s chief patient officer – who was not involved in the Epic Research study – wrote in an email. He called the new data intriguing but emphasized that more time is needed to determine whether or when rates of advanced cancers may increase due to missed screenings. It could take years.

“Conclusions regarding whether advanced cancer rates have increased due to missed screenings are a bit premature to reach. This is because cancer takes years to develop, and the resulting effect of missed cancers cannot be known after only a few years,” Kamal said.

“We remain hopeful that as cancer screening rates have returned to baseline, that the two years of missed screenings will not have a long-lasting effect on cancer incident or mortality,” he said. “But more time will tell.”

The data from Epic Research’s study is encouraging, as it suggests that more advanced cancers are not being seen, Dr. David Cohn, chief medical officer for the Ohio State University Comprehensive Cancer Center, wrote in an email.

“Whether this holds up over the next few years is yet to be seen,” he added.

Cohn, a practicing gynecologic oncologist who was not involved in either new study, said that he is “always concerned” about a decrease in screening rates and the resulting impact on later cancer diagnoses.

Yet “these data suggest that folks are getting back to the core business of screening,” he said, “such that these data will hopefully hold up over the next few years without seeing an increase in later diagnoses.”

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