Well being and Human Companies secretary Robert F. Kennedy Jr. has pursued an aggressive overhaul of federal vaccine steerage and infrastructure since he took workplace somewhat over a yr in the past. Now, his agenda is on maintain after a federal decide blocked lots of these modifications and as stories floor that the White Home is reining in his anti-vaccine rhetoric forward of the midterm elections.
What’s subsequent for US vaccine coverage will rely on the result of a federal court docket case, and whether or not Kennedy is allowed to renew his campaign in opposition to vaccines after November. Even when the Trump administration pivots to a extra science-backed method to vaccines, public well being consultants fear in regards to the long-term results of Kennedy’s tenure up to now.
“It is unknown what these ramifications are going to seem like,” says Syra Madad, chief biopreparedness officer at NYC Well being + Hospitals, the most important municipal well being care system within the US. “Already, we’re seeing extra vaccine hesitancy. We’re seeing the rise of vaccine-preventable sicknesses corresponding to measles.”
A longtime vaccine conspiracy theorist, Kennedy dropped Covid-19 vaccine suggestions for wholesome kids and pregnant ladies final Could. Shortly after, he ousted all 17 earlier members of the Advisory Committee on Immunization Practices, or ACIP, which makes vaccine suggestions to the Facilities for Illness Management and Prevention. After he appointed new members with a historical past of criticizing vaccines, the reconstituted panel voted in December to finish the advice for a common start dose of the hepatitis B vaccine, steerage that had been in place since 1991.
In January, Kennedy introduced sweeping modifications to the childhood immunization schedule, bypassing his personal vaccine advisory panel and lowering the variety of routine vaccines from 17 to 11 with out offering any scientific rationale for doing so.
A lawsuit filed by the American Academy of Pediatrics and different medical teams challenged these modifications. A federal decide dominated in March that the brand new ACIP members have been unlawfully appointed, voiding their earlier actions. The choice additionally paused implementation of Kennedy’s modifications to the childhood vaccination schedule, since he didn’t seek the advice of ACIP first.
The Trump administration has mentioned it is going to attraction, throwing vaccine coverage into limbo. “HHS seems ahead to this decide’s determination being overturned identical to his different makes an attempt to maintain the Trump administration from governing,” spokesman Andrew Nixon informed WIRED in an e mail.
In latest weeks, Kennedy has toned down his messaging round vaccines, focusing as a substitute on diet and microplastics and asserting a brand new podcast. Robert Malone, one among Kennedy’s hand-picked members for ACIP, who stepped down in March, mentioned on a conservative podcast that Kennedy was ordered by a White Home adviser to “shut down” any discussions about vaccines forward of the mid-term elections in November, suggesting that Kennedy’s anti-vaccine views are unpopular with voters.
How the US makes choices about vaccines for the remainder of President Trump’s time period is an open query. ACIP suggestions develop into federal coverage when they’re adopted by the CDC director, however Kennedy fired earlier CDC director Susan Monarez, allegedly as a result of she wouldn’t rubber-stamp his vaccine modifications. The place has been open since August, with Nationwide Institutes of Well being director Jay Bhattacharya presently working the company. Regardless of his boss’s anti-vaccine views, Bhattacharya lately informed CDC staffers that it’s “completely important” to get the measles vaccine.
“Vaccination suggestions are frozen in amber to the time earlier than Kennedy took workplace,” says Elizabeth Jacobs, an epidemiologist on the College of Arizona and a founding member of Defend Public Well being, a grassroots group that fashioned in late 2024 after Kennedy’s nomination.

