Federal Judge Blocks RFK Jr. Advisers' Vaccine Changes
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Federal Judge Blocks RFK Jr. Advisers' Vaccine Changes

17 March, 2026.Technology and Science.11 sources

Key Takeaways

  • Massachusetts judge Brian Murphy blocked Kennedy's changes to the childhood vaccine schedule.
  • Ruling found Kennedy's changes violated the Administrative Procedure Act and improper ACIP reconstitution.
  • Temporary halt on the changes remains amid lawsuits by major medical groups.

Court Blocks Vaccine Overhaul

A federal judge in Massachusetts delivered a major setback to Health Secretary Robert F. Kennedy Jr.'s vaccine agenda on Monday.

Skip to main content Updated 3 hours ago - Health Judge blocks RFK Jr

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Judge Brian E. Murphy issued a preliminary injunction blocking sweeping changes to the nation's childhood immunization schedule.

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The ruling came in response to a lawsuit filed by the American Academy of Pediatrics and other leading medical groups.

The judge found that Kennedy's actions likely violated federal procedures and the Federal Advisory Committee Act.

The ruling effectively stops Kennedy's controversial overhaul of vaccine recommendations.

The changes had reduced the number of diseases children should be vaccinated against from 18 to 11.

The judge also put on hold all decisions made by Kennedy's newly appointed ACIP members.

Vaccine Schedule Reduction

The blocked changes represented a dramatic reversal of decades of U.S. public health policy.

Kennedy's January announcement reduced recommended childhood vaccinations from 17 or 18 diseases to just 11.

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This meant removing broad recommendations for protection against hepatitis A, hepatitis B, RSV, dengue, and bacterial meningitis.

The changes left many medical professionals alarmed about undermining protections against preventable diseases.

They also created widespread confusion among parents and healthcare providers.

More than 200 medical organizations announced they would disregard the new recommendations.

These included the American Medical Association, March of Dimes, and Autism Science Foundation.

ACIP Committee Rejected

A central issue in the ruling was Kennedy's complete overhaul of the Advisory Committee on Immunization Practices (ACIP).

A federal judge on Monday temporarily blocked some of the sweeping changes US Health and Human Services Secretary Robert F

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The judge found that Kennedy likely violated federal law when he fired all 17 original members of the committee in June.

Kennedy replaced them with his own hand-picked appointees, many of whom have expressed anti-vaccine views.

This included figures like Dr. Robert Malone, a prominent COVID-19 vaccine critic and committee vice chair.

The judge's ruling stayed the appointments and invalidated all votes taken by the reconstituted committee.

Invalidated votes included decisions to remove thimerosal from flu vaccines and discontinue the MMR/chickenpox combination vaccine.

Other invalidated votes ended the universal birth dose recommendation for the hepatitis B vaccine.

Legal Violations Cited

In his ruling, Judge Murphy provided strong legal reasoning for blocking the vaccine changes.

He cited multiple procedural violations including violations of the Administrative Procedure Act.

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The judge determined that the government's actions were 'arbitrary and capricious'.

He emphasized that vaccine recommendations have historically been made through 'a method scientific in nature'.

Murphy noted that Kennedy's administration 'disregarded those methods and thereby undermined the integrity of its actions'.

The judge said the government cannot circumvent long-standing practices simply because they are following presidential orders.

Removing all committee members without proper screening raised substantial legal questions about compliance.

Mixed Reactions to Ruling

The ruling was met with strong reactions from both sides of the debate.

Medical groups celebrated the decision as a victory for science-based policy and public health.

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Richard Hughes IV called it 'a major victory' and 'a momentous step toward restoring science-based vaccine policy.'

Dr. Andrew Racine described it as 'a historic outcome for children, communities, and pediatricians everywhere.'

In contrast, HHS expressed plans to appeal the decision.

Spokesperson Andrew Nixon stated they looked forward to the decision being overturned.

Kennedy's appointees urged the administration to continue pursuing the vaccine policy changes.

Policy Implications

The blocking of Kennedy's vaccine changes has significant implications for public health policy in the United States.

With the ACIP meeting postponed and all committee decisions invalidated, uncertainty remains.

The federal vaccine system is in limbo while the lawsuit proceeds through the courts.

Health experts warn that confusion created by Kennedy's changes could have lasting effects on vaccination rates.

The ruling highlights growing tension between Trump administration health policy and scientific consensus.

Many states have already rejected the new recommendations, with 30 states indicating they would not follow the revised schedule.

The outcome could set important precedents for federal health agency policy implementation.

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