Judge's Ruling Halts RFK Jr.'s Vaccine Agenda at HHS

The temporary ruling blocks the health secretary's efforts to overhaul vaccine policy and reconstitute the CDC's advisory committee.

Mar. 17, 2026 at 10:51pm

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A federal judge in Boston has issued a temporary ruling that halts a series of actions taken by Health Secretary Robert F. Kennedy Jr. to reshape vaccine policy in the U.S. The judge found that Kennedy disregarded long-standing government processes in his efforts to fire the entire Advisory Committee on Immunization Practices (ACIP) and hire vaccine critics as replacements, as well as dramatically downsize the childhood immunization schedule. The ruling stymies Kennedy's momentum at a key political moment, as the White House had appeared to be moving away from vaccines and toward a less contentious agenda on healthy food ahead of the midterm elections.

Why it matters

Kennedy's actions at HHS have alarmed public health experts who see them as undermining the scientific integrity of vaccine policymaking. The judge's ruling is a setback for the longtime anti-vaccine crusader, whose allies in the 'medical freedom' movement had celebrated his early victories at the department. The decision also comes at a time when Republican pollsters have warned that Kennedy's vaccine stances could be a political liability for the administration.

The details

The judge found that Kennedy disregarded certain long-held government processes, including reconstituting the ACIP advisory committee in a way that likely violated federal law. The ruling temporarily blocks Kennedy's actions to fire the entire ACIP committee and hire vaccine critics as replacements, as well as his moves to dramatically downsize the childhood immunization schedule.

  • On March 17, 2026, a federal judge in Boston issued a temporary ruling halting Kennedy's actions at HHS.

The players

Robert F. Kennedy Jr.

The current Health Secretary in the Trump administration, who is a longtime anti-vaccine crusader.

Judge Brian Murphy

The federal judge in Boston who issued the temporary ruling blocking Kennedy's actions at HHS.

Advisory Committee on Immunization Practices (ACIP)

A scientific committee that advises the Centers for Disease Control and Prevention on vaccine policies.

Dr. Robert Malone

One of Kennedy's appointees on the vaccine advisory committee, who accused the judge of being a 'rogue' and called for his impeachment.

Mark Gorton

The president of the Kennedy-aligned MAHA Institute, who said the judge was misguided in viewing the HHS bureaucratic process before Kennedy as 'some sort of ideal.'

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What they’re saying

“There is a method to how these decisions historically have been made – a method scientific in nature and codified into law through procedural requirements. Unfortunately, the Government has disregarded those methods and thereby undermined the integrity of its actions.”

— Judge Brian Murphy

“You've had all sorts of ACIP decisions for decades, and you never had a judge standing up and saying that his judgment is superior to that of the panelists, even though the ACIP members for years have been incredibly corrupt and incredibly conflicted.”

— Mark Gorton, President, MAHA Institute

“It makes the battle lines really, really obvious to everybody. It's an opportunity for moral courage, strategic intelligence and doubling down in dedication to the agenda of medical freedom above all else.”

— Jeffrey Tucker, Founder, Brownstone Institute

What’s next

The Trump administration has said it will appeal the judge's ruling, and another of the judge's rulings on immigrant deportations was recently lifted by a federal appeals court.

The takeaway

This case highlights the ongoing tensions between public health experts and the 'medical freedom' movement, as well as the political implications of Kennedy's vaccine agenda for the administration ahead of the midterm elections.