ATLANTA (AP) — U.S. Health Secretary Robert F. Kennedy Jr.’s new vaccine advisory committee backed another option to protect infants against a dangerous virus — before turning to questions about fall flu vaccines and a preservative in a small fraction of them that some antivaccine groups have falsely tied to autism.
The Advisory Committee on Immunization Practices on Thursday took up protections against RSV, or respiratory syncytial virus, a common cause of cold-like symptoms that can dangerously inflame infants’ tiny airways.
In 2023, U.S. health officials began recommending two new measures to protect infants — a lab-made antibody for newborns and a vaccine for pregnant women — that experts say likely drove an improvement in infant mortality. That first antibody, called nirsevimab, proved to be 63% to 76% effective against emergency department visits for infants over the last year.
On Thursday, the vaccine panel voted 5-2 that another newly approved antibody shot, Merck’s clesrovimab, should be used similarly.
The ACIP, created more than 60 years ago, helps the Centers for Disease Control and Prevention determine who should be vaccinated against a long list of diseases, and when. Those recommendations have a big impact on whether insurance covers vaccinations and where they’re available.
Kennedy was a leading voice in the antivaccine movement before becoming the nation’s top health official. He fired the previous 17-member panel this month and replaced it with a seven-member group that includes several vaccine skeptics.
At its June meetings, the committee usually refreshes guidance for Americans 6 months and older to get a flu shot, and helps propel the annual fall vaccination campaign.
Presentations prepared for Thursday’s meeting suggest that the panel may do much the same this year. But there’s also a flu-related vote that promises controversy.
It concerns thimerosal, a form of mercury that’s been added to vaccines since the early 20th century to preventing bacterial contamination in multi-dose vials.
Kennedy has long held there was a tie between thimerosal and autism, and also accused the government of hiding the danger. Study after study has found no evidence that thimerosal causes autism. But since 2001, vaccines manufactured for the U.S. market and routinely recommended for children 6 years or younger have contained no thimerosal or only trace amounts, with limited exceptions.
Thimerosal was placed on the meeting agenda shortly after Kennedy’s new vaccine advisory was named last week.
Before the vote, the committee will hear from Lyn Redwood, the former president of what is now known as Children’s Health Defense — an antivaccine group founded by Kennedy.
Some public health experts contend the thimerosal discussion will unnecessarily raise doubt in vaccines while possibly also making them more expensive and harder to get this fall.
At the panel’s meeting Wednesday, Chrissie Juliano, executive director of the Big Cities Health Coalition, lamented the ouster of the former ACIP panel and the agenda of the new one.
Her organization, which represents large city health departments, “is deeply concerned that many routine vaccines may soon become inaccessible or unaffordable for millions of Americans if ACIP makes changes based on ideology rather than science,” she said. “The stakes are simply too high to let that happen.”
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