March 17, 2026 4:02 pm

Judge Blocks Vaccine Policy Changes by U.S. Health Secretary Kennedy Jr.

A judge blocked changes to U.S. vaccine recommendations, halting a Kennedy panel meeting and sparking legal battles.
Judge blocks changes to US government vaccine recommendations

Federal Judge Blocks Changes to Childhood Vaccine Recommendations

On Monday, a federal judge issued a temporary injunction preventing changes to the U.S. childhood vaccination schedule, which had been proposed by U.S. Health Secretary Robert F. Kennedy Jr. The ruling suggests that Kennedy may have breached federal procedures when restructuring a pivotal vaccine advisory committee.

The halted directive, initially announced by Kennedy in January, aimed to discontinue broad vaccination recommendations for children against illnesses such as flu, rotavirus, hepatitis A and B, meningitis, and RSV. Additionally, a planned meeting of the newly appointed vaccine advisory committee in Atlanta has been postponed.

This temporary block will remain in place until a trial is held or a summary judgment is issued. Federal health officials have expressed intentions to appeal the decision.

“HHS looks forward to this judge’s decision being overturned just like his other attempts to keep the Trump administration from governing,” commented Andrew Nixon, spokesman for the Department of Health and Human Services.

Legal Actions and Reactions

The injunction is the latest development in a lawsuit filed by the American Academy of Pediatrics (AAP) and other medical organizations last July. The lawsuit, filed in Boston’s federal court, initially contested Kennedy’s move to stop recommending COVID-19 vaccines for most children and pregnant women. As Kennedy introduced further changes that raised concerns among medical groups, the lawsuit was amended to challenge these additional policy shifts.

The plaintiffs requested the court to prevent the scaling back of the national childhood vaccination schedule and to examine Kennedy’s restructuring of the Advisory Committee on Immunization Practices (ACIP), which plays a critical role in advising public health officials on vaccine recommendations.

Kennedy, known for his anti-vaccine stance prior to his appointment, replaced the entire 17-member ACIP panel with individuals, some of whom share his views. Judge Brian E. Murphy, appointed by President Joe Biden, declared that Kennedy’s reconstitution of ACIP likely contravened federal law, prompting him to suspend all actions taken by the newly formed committee.

The ACIP, which was scheduled to discuss COVID-19 vaccine safety, has had its meeting postponed. “ACIP as currently constituted cannot meet,” stated Richard Hughes IV, an attorney representing the AAP. “How can a committee meet without nearly the entirety of its membership?”

Impact on Vaccine Policy

Jason Schwartz, a vaccine policy expert from Yale University, described the legal intervention preventing an ACIP meeting as unprecedented in its 62-year history. Hughes praised the judge’s action as “a momentous step toward restoring science-based vaccine policy,” a sentiment echoed by leaders of various medical and public health organizations.

When the Trump administration altered the childhood vaccine schedule, it assured that families would continue to have access and that insurance coverage would remain unaffected. However, this led to confusion as medical associations, public health bodies, and many states continued to advocate for established vaccine recommendations, according to Dr. Andrew Racine, president of the AAP.

Numerous medical groups criticized the changes for lacking robust evidence and urged adherence to previous guidelines. Health authorities in 30 states have rejected some of the new recommendations. Dr. Racine emphasized the importance of consulting pediatricians for vaccine schedule inquiries.

Schwartz indicated that federal health officials might persist in expressing skepticism about vaccination importance and promoting unsupported vaccine safety claims.

Following the ruling, Dr. Robert Malone, one of Kennedy’s appointees, encouraged the Trump administration to continue advocating for Kennedy’s vaccine policy changes. “A district court order is a delay, not a defeat,” he wrote on Substack.

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