Science
Why Measles Outbreaks May Be the New Normal
As the Trump administration moves to dismantle international public health safeguards, pull funding from local health departments and legitimize health misinformation, some experts now fear that the country is setting the stage for a long-term measles resurgence.
If federal health officials do not change course, large multistate outbreaks like the one that has torn through West Texas, jumping to neighboring states and killing two people, may become the norm.
“We have really opened the door for this virus to come back,” said Dr. Thomas R. Frieden, a former director of the Centers for Disease Control and Prevention.
In order for an outbreak to occur in the United States, the virus must first be imported into the country, and it must reach a large, unvaccinated population.
Recent events have made both conditions seem increasingly likely, said Dr. William Moss, an epidemiologist at the Johns Hopkins Bloomberg School of Public Health.
Efforts to control the spread of measles internationally have been disrupted by the Trump administration’s recent decision to withdraw from the World Health Organization, which runs a network of more than 700 laboratories that track measles cases in 164 countries.
The program — which helps to ensure prompt public health responses to emerging outbreaks — relies on the United States to fund its entire $8 million annual budget.
The funds for Gavi were not included on a list the State Department sent to Congress last week of programs it intends to continue to support. But the organization has yet to receive a formal grant termination letter, and its leadership is lobbying the administration to preserve the funding.
Both the W.H.O. withdrawal and the possible loss of Gavi’s funding are likely to cause a surge in measles cases overseas, increasing the likelihood that a U.S. traveler will bring the virus back into the country, said Dr. Walter Orenstein, a professor emeritus at Emory University and the former director of the National Immunization Program at the C.D.C.
“People don’t understand that supporting global immunization not only is good for their countries, but for our country,” he said.
This week’s layoffs at the C.D.C. included staff members who communicate with the public during infectious disease outbreaks and help craft campaigns to encourage vaccination.
Now communications will be centralized at the Department of Health and Human Services, under the control of health secretary Robert F. Kennedy Jr., a vaccine skeptic. The department did not respond to requests for comment.
Dr. Frieden, the former C.D.C. director, described the cuts as “a recipe for disaster.”
The national immunization rate for measles, which fell during the Covid-19 pandemic, has not rebounded to the 95 percent required to stem the spread of the virus in a community. That raises the odds that an imported case will land in a vulnerable population and ignite.
Roughly 93 percent of children in kindergarten had the M.M.R. shot in the 2023-24 school year. But vaccination rates are unevenly distributed; some communities have rates around 80 percent, offset by others where the figure is closer to 99 percent.
Now that H.H.S. has moved to cut billions of dollars to local health departments, they may struggle to quash outbreaks early on, allowing the virus to hop to other unvaccinated communities. (A judge temporarily blocked the funding cuts after a coalition of states sued the Trump administration.)
During infectious disease emergencies, it is local health departments that investigate the source of the pathogen and track down anyone who might have been exposed so they can be quarantined.
The contact-tracing process is time consuming and resource intensive, especially for a virus as contagious as measles.
“A fire is burning and we are at the same time shutting down all the fire departments,” said Jennifer Nuzzo, director of the Pandemic Center at the Brown University School of Public Health.
The current outbreak that began in West Texas shows no signs of slowing. There have been more than 480 cases in the area and 56 hospitalizations since late January. The outbreak has also spread to bordering states, sickening 54 people in New Mexico and 10 in Oklahoma.
Genetic sequencing has suggested that the outbreak is also linked to 24 measles cases discovered in southwest Kansas.
Measles was officially eliminated in the United State in 2000. But the speed at which the Texas outbreak has grown and the fact that it has already jumped to other, under-vaccinated communities makes it very likely that the United States will lose that status, Dr. Nuzzo said.
Measles is no longer considered eliminated if a chain of infections continues for more than twelve months. Public health officials in West Texas have predicted the outbreak will continue for a year.
A large measles outbreak that spread through parts of New York State for nearly 12 months nearly cost the country its elimination status in 2019. The outbreak was contained in large part because of aggressive vaccine mandates, which helped substantially increase childhood immunization rates in the community.
“We just missed it by a hair,” Dr. Nuzzo said. “Where we are now is worse than that.”
Mr. Kennedy has offered muted support for vaccination and has emphasized untested treatments for measles, such as cod liver oil. According to doctors in Texas, his endorsement of alternative treatments has contributed to patients delaying critical care and ingesting toxic levels of vitamin A.
Mr. Kennedy recently tapped a prominent figure in the anti-vaccine movement to work on a study examining the long-debunked theory that vaccines are linked to autism.
If the country does lose elimination status, Dr. Moss said, its unlikely that infection rates will resemble those of the pre-vaccine era, when measles infected nearly every child by age 15.
But it would be likely to mean more frequent and larger outbreaks that make life riskier for society’s most vulnerable: babies too young to be vaccinated, and immunocompromised people.
“There are direct consequences — the health tolls, the long-term health impacts,” Dr. Nuzzo said. “Measles outbreaks are like just incredibly costly and disruptive.”
“It’s also just an embarrassment. It puts the United States on par with some of the most resource-constrained settings in the world, and out of step with most high-income countries.”
Science
Department of Education finds San Jose State violated Title IX regarding transgender volleyball player
The U.S. Department of Education has given San José State 10 days to comply with a list of demands after finding that the university violated Title IX concerning a transgender volleyball player in 2024.
A federal investigation was launched into San José State a year ago after controversy over a transgender player marred the 2024 volleyball season. Four Mountain West Conference teams — Boise State, Wyoming, Utah State and Nevada-Reno — each chose to forfeit or cancel two conference matches to San José State. Boise State also forfeited its conference tournament semifinal match to the Spartans.
The transgender player, Blaire Fleming, was on the San José State roster for three seasons after transferring from Coastal Carolina, although opponents protested the player’s participation only in 2024.
In a news release Wednesday, the Education Department warned that San José State risks “imminent enforcement action” if it doesn’t voluntarily resolve the violations by taking the following actions, not all of which pertain solely to sports:
1) Issue a public statement that SJSU will adopt biology-based definitions of the words “male” and “female” and acknowledge that the sex of a human — male or female — is unchangeable.
2) Specify that SJSU will follow Title IX by separating sports and intimate facilities based on biological sex.
3) State that SJSU will not delegate its obligation to comply with Title IX to any external association or entity and will not contract with any entity that discriminates on the basis of sex.
4) Restore to female athletes all individual athletic records and titles misappropriated by male athletes competing in women’s categories, and issue a personalized letter of apology on behalf of SJSU to each female athlete for allowing her participation in athletics to be marred by sex discrimination.
5) Send a personalized apology to every woman who played in SJSU’s women’s indoor volleyball from 2022 to 2024, beach volleyball in 2023, and to any woman on a team that forfeited rather than compete against SJSU while a male student was on the roster — expressing sincere regret for placing female athletes in that position.
“SJSU caused significant harm to female athletes by allowing a male to compete on the women’s volleyball team — creating unfairness in competition, compromising safety, and denying women equal opportunities in athletics, including scholarships and playing time,” Kimberly Richey, Education Department assistant secretary for civil rights, said.
“Even worse, when female athletes spoke out, SJSU retaliated — ignoring sex-discrimination claims while subjecting one female SJSU athlete to a Title IX complaint for allegedly ‘misgendering’ the male athlete competing on a women’s team. This is unacceptable.”
San José State responded with a statement acknowledging that the Education Department had informed the university of its investigation and findings.
“The University is in the process of reviewing the Department’s findings and proposed resolution agreement,” the statement said. “We remain committed to providing a safe, respectful, and inclusive educational environment for all students while complying with applicable laws and regulations.”
In a New York Times profile, Fleming said she learned about transgender identity when she was in eighth grade. “It was a lightbulb moment,” she said. “I felt this huge relief and a weight off my shoulders. It made so much sense.”
With the support of her mother and stepfather, Fleming worked with a therapist and a doctor and started to socially and medically transition, according to the Times. When she joined the high school girls’ volleyball team, her coaches and teammates knew she was transgender and accepted her.
Fleming’s first two years at San José State were uneventful, but in 2024 co-captain Brooke Slusser joined lawsuits against the NCAA, the Mountain West Conference and representatives of San José State after alleging she shared hotel rooms and locker rooms with Fleming without being told she is transgender.
The Education Department also determined that Fleming and a Colorado State player conspired to spike Slusser in the face, although a Mountain West investigation found “insufficient evidence to corroborate the allegations of misconduct.” Slusser was not spiked in the face during the match.
President Trump signed an executive order a year ago designed to ban transgender athletes from competing on girls’ and women’s sports teams. The order stated that educational institutions and athletic associations may not ignore “fundamental biological truths between the two sexes.” The NCAA responded by banning transgender athletes.
The order, titled “Keeping Men Out of Women’s Sports,” gives federal agencies, including the Justice and Education departments, wide latitude to ensure entities that receive federal funding abide by Title IX in alignment with the Trump administration’s view, which interprets a person’s sex as the gender they were assigned at birth.
San José State has been in the federal government’s crosshairs ever since. If the university does not comply voluntarily to the actions listed by the government, it could face a Justice Department lawsuit and risk losing federal funding.
“We will not relent until SJSU is held to account for these abuses and commits to upholding Title IX to protect future athletes from the same indignities,” Richey said.
San José State was found in violation of Title IX in an unrelated case in 2021 and paid $1.6 million to more than a dozen female athletes after the Department of Justice found that the university failed to properly handle the students’ allegations of sexual abuse by a former athletic trainer.
The federal investigation found that San José State did not take adequate action in response to the athletes’ reports and retaliated against two employees who raised repeated concerns about Scott Shaw, the former director of sports medicine. Shaw was sentenced to 24 months in prison for unlawfully touching female student-athletes under the guise of providing medical treatment.
The current findings against San José State came two weeks after federal investigators announced that the California Community College Athletic Assn. and four other state colleges and school districts are the targets of a probe over whether their transgender participation policies violate Title IX.
The investigation targets a California Community College Athletic Assn. rule that allows transgender and nonbinary students to participate on women’s sports teams if the students have completed “at least one calendar year of testosterone suppression.”
Also, the Education Department’s Office of Civil Rights has launched 18 Title IX investigations into school districts across the United States on the heels of the Supreme Court hearing oral arguments on efforts to protect women’s and girls’ sports.
Science
The share of Americans medically obese is projected to rise to almost 50% by 2035
On Wednesday, a new study published in JAMA by researchers at the University of Washington in Seattle projected that by 2035, nearly half of all American adults, about 126 million individuals, will be living with obesity. The study draws on data from more than 11 million participants via the U.S. Centers for Disease Control and Prevention’s National Health and Nutrition Examination and Behavioral Risk Factor Surveillance System, and from the independent Gallup Daily Survey.
The projections show a striking increase in the prevalence of obesity over the past few decades in the U.S. In 1990, only 19.3% of U.S. adults were obese, according to the study. That figure more than doubled to 42.5% by 2022, and is forecast to reach 46.9% by 2035.
The study highlights significant disparities across states, ages, and racial and ethnic groups. While every state is expected to see increases, the sharpest rises are projected for Midwestern and Southern states.
For example, nationwide, by 2035, the study projects that 60% (11.5 million adults) of Black women and 54% (14.5 million) of Latino women will suffer from obesity when compared with 47% (36.5 million) of white women. Similarly, 48% (13.2 million) of Latino men will suffer from the disease compared with 45% (34.4 million) of white men and 43% (7.61 million) of Black men.
The findings say California will see similar trends in gender and racial disparities. The study projects that by 2035, obesity rates among Latino and Black women in California will reach nearly 60%, compared with nearly 40% for their white counterparts. Additionally, Latino men in California could see rates over 50%, compared with nearly 40% for their white counterparts.
“These numbers are not surprising, given the systemic inequalities that exist,” in many California cities, said Dr. Amanda Velazquez, director of obesity medicine at Cedars-Sinai Hospital, pointing to economic instability, chronic stress and the car-dependency of Los Angeles and other California metro areas. “There are challenges for access to nutritious foods, depending on where you’re at in the city,” Velazquez said. ”There’s also disparities in the access to healthcare, especially to treatment for obesity.”
That’s recently become more of a challenge, since changes in Medi-Cal plans that went into effect at the beginning of this year mean obesity medication and treatment are no longer covered for hundreds of thousands of low-income Californians. “To take that away is devastating,” said Velazquez.
Despite these disparities, California is projected to fare better than most other states, with its rates of obesity growing more slowly than the national average.
“There are statewide and local policies that influence food, nutrition and social determinants of health for individuals,” said Velazquez.
Church pointed to measures such as SB 12 and SB 677, passed in the mid 2000s, which set strict nutritional standards for schools, existing menu labeling laws at both the state and federal levels requiring restaurants to provide nutritional facts on menu items, and cities like Berkeley and Oakland imposing local soda taxes as key local and statewide initiatives to keep obesity at bay.
To keep up this momentum, both doctors stressed that California must continue to strengthen school nutrition standards, expand transportation infrastructure that encourages walking instead of driving, maintain and expand economic disincentives to unhealthy foods, such as beverage taxes, and address food deserts by incentivizing new grocery stores and farmers’ markets in underserved neighborhoods.
Future efforts, Church says, should prioritize the Black and Latino populations identified by the study as most affected.
Science
Pediatricians urge Americans to stick with previous vaccine schedule despite CDC’s changes
For decades, the American Academy of Pediatrics and the U.S. Centers for Disease Control and Prevention spoke with a single voice when advising the nation’s families on when to vaccinate their children.
Since 1995, the two organizations worked together to publish a single vaccine schedule for parents and healthcare providers that clearly laid out which vaccines children should get and exactly when they should get them.
Today, that united front has fractured. This month, the Department of Health and Human Services announced drastic changes to the CDC’s vaccine schedule, slashing the number of diseases that it recommends U.S. children be routinely vaccinated against to 11 from 17. That follows the CDC’s decision last year to reverse its recommendation that all kids get the COVID-19 vaccine.
On Monday, the AAP released its own immunization guidelines, which now look very different from the federal government’s. The organization, which represents most of the nation’s primary care and specialty doctors for children, recommends that children continue to be routinely vaccinated against 18 diseases, just as the CDC did before Robert F. Kennedy Jr. took over the nation’s health agencies.
Endorsed by a dozen medical groups, the AAP schedule is far and away the preferred version for most healthcare practitioners. California’s public health department recommends that families and physicians follow the AAP schedule.
“As there is a lot of confusion going on with the constant new recommendations coming out of the federal government, it is important that we have a stable, trusted, evidence-based immunization schedule to follow and that’s the AAP schedule,” said Dr. Pia Pannaraj, a member of AAP’s infectious disease committee and professor of pediatrics at UC San Diego.
Both schedules recommend that all children be vaccinated against measles, mumps, rubella, polio, pertussis, tetanus, diphtheria, Haemophilus influenzae type B (Hib), pneumococcal disease, human papillomavirus (HPV) and varicella (better known as chickenpox).
AAP urges families to also routinely vaccinate their kids against hepatitis A and B, COVID-19, rotavirus, flu, meningococcal disease and respiratory syncytial virus (RSV).
The CDC, on the other hand, now says these shots are optional for most kids, though it still recommends them for those in certain high-risk groups.
The schedules also vary in the recommended timing of certain shots. AAP advises that children get two doses of HPV vaccine starting at ages 9 to12, while the CDC recommends one dose at age 11 or 12. The AAP advocates starting the vaccine sooner, as younger immune systems produce more antibodies. While several recent studies found that a single dose of the vaccine confers as much protection as two, there is no single-dose HPV vaccine licensed in the U.S. yet.
The pediatricians’ group also continues to recommend the long-standing practice of a single shot combining the measles, mumps and rubella (MMR) and varicella vaccines in order to limit the number of jabs children get. In September, a key CDC advisory panel stocked with hand-picked Kennedy appointees recommended that the MMR and varicella vaccines be given as separate shots, a move that confounded public health experts for its seeming lack of scientific basis.
The AAP is one of several medical groups suing HHS. The AAP’s suit describes as “arbitrary and capricious” Kennedy’s alterations to the nation’s vaccine policy, most of which have been made without the thorough scientific review that previously preceded changes.
Days before AAP released its new guidelines, it was hit with a lawsuit from Children’s Health Defense, the anti-vaccine group Kennedy founded and previously led, alleging that its vaccine guidance over the years amounted to a form of racketeering.
The CDC’s efforts to collect the data that typically inform public health policy have noticeably slowed under Kennedy’s leadership at HHS. A review published Monday found that of 82 CDC databases previously updated at least once a month, 38 had unexplained interruptions, with most of those pauses lasting six months or longer. Nearly 90% of the paused databases included vaccination information.
“The evidence is damning: The administration’s anti-vaccine stance has interrupted the reliable flow of the data we need to keep Americans safe from preventable infections,” Dr. Jeanne Marrazzo wrote in an editorial for Annals of Internal Medicine, a scientific journal. Marrazzo, an infectious disease specialist, was fired last year as head of the National Institute of Allergy and Infectious Diseases after speaking out against the administration’s public health policies.
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