U.S. Health Secretary Robert F. Kennedy Jr. on Monday removed every member of a scientific committee that advises the Centers for Disease Control and Prevention on how to use vaccines and pledged to replace them with his own picks.

Major physicians and public health groups criticized the move to oust all 17 members of the Advisory Committee on Immunization Practices.

Kennedy, who was one of the nation’s leading anti-vaccine activists before becoming the nation’s top health official, has not said who he would appoint to the panel, but said it would convene in just two weeks in Atlanta.

Although it’s typically not viewed as a partisan board, the Biden administration had installed the entire committee.

“Without removing the current members, the current Trump administration would not have been able to appoint a majority of new members until 2028,” Kennedy wrote in a Wall Street Journal opinion piece. “A clean sweep is needed to re-establish public confidence in vaccine science.”

Kennedy said the committee members had too many conflicts of interest. Committee members routinely disclose any possible conflicts at the start of public meetings.

People protesting right next to a blue and grey CDC sign.
Americans protest in support of the U.S. Centers for Disease Control and Prevention in front of the headquarters in Atlanta on Tuesday, April 1, 2025, after the Trump administration announced mass layoffs that experts warn could hinder efforts to track disease outbreaks, such as the avian flu. AP Photo/Ben Gray

Dr. Georges Benjamin, executive director of the American Public Health Association, called Kennedy’s mass ouster “a coup.”

“It’s not how democracies work. It’s not good for the health of the nation,” Benjamin told The Associated Press.

Benjamin said the move raises real concerns about whether future committee members will be viewed as impartial. He added that Kennedy is going against what he told lawmakers and the public, and the public health association plans to watch Kennedy “like a hawk.”

“He is breaking a promise,” Benjamin said. “He said he wasn’t going to do this.”

Dr. Bruce A. Scott, president of the American Medical Association, called the committee a trusted source of science and data-driven advice and said Kennedy’s move, coupled with declining vaccination rates across the country, will help drive an increase in vaccine-preventable diseases.

“Today’s action to remove the 17 sitting members of ACIP undermines that trust and upends a transparent process that has saved countless lives,” Scott said in a statement.

Bill Cassidy shakes hands with Robert F. Kennedy Jr. at a hearing
Committee Chairman Sen. Bill Cassidy, R-La., left, greets Secretary of Health and Human Services Robert F. Kennedy Jr., before he testifies before a Senate committee on Health, Education, Labor and Pensions hearing at the U.S. Capitol on Wednesday, May 14, 2025, in Washington. AP Photo/John McDonnell

Republican Sen. Bill Cassidy of Louisiana, a doctor who had expressed reservations about Kennedy’s nomination but voted to install him as the nation’s health secretary nonetheless, said he had spoken with Kennedy moments after the announcement.

“Of course, now the fear is that the ACIP will be filled up with people who know nothing about vaccines except suspicion,” Cassidy said in a social media post. “I’ve just spoken with Secretary Kennedy, and I’ll continue to talk with him to ensure this is not the case.”

The committee had been in a state of flux since Kennedy took over. Its first meeting this year had been delayed when the U.S. Department of Health and Human Services abruptly postponed its February meeting.

During Kennedy’s confirmation, Cassidy had expressed concerns about preserving the committee, saying he had sought assurances that Kennedy would keep the panel’s current vaccine recommendations.

Kennedy did not stick to that. He recently took the unusual step of changing COVID-19 recommendations without first consulting the advisers.

Closeup of an older man in a blue suit and tie
U.S. Health and Human Services Secretary Robert F. Kennedy Jr. listens as President Donald Trump holds a Cabinet meeting at the White House in Washington, Tuesday, Feb. 26, 2025. Pool via AP

The webpage that featured the committee’s members was deleted Monday evening, shortly after Kennedy’s announcement.

The Associated Press Health and Science Department receives support from the Howard Hughes Medical Institute’s Science and Educational Media Group and the Robert Wood Johnson Foundation. The AP is solely responsible for all content.

Laura Ungar covers medicine and science on the AP's global health and science team. She has been a health journalist for more than two decades.

Amanda Seitz is an Associated Press reporter covering federal health care policy. She is based in Washington, D.C.

Since 1846, The Associated Press has been breaking news and covering the world's biggest stories, always committed to the highest standards of accurate, unbiased journalism. The Associated Press was founded as an independent news cooperative, whose members are U.S. newspapers and broadcasters, steadfast in our mission to inform the world.

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