FDA Chief Steps Down Amid Vaccine 'Misinformation' Battle
United States: Dr. Peter Marks, the leading FDA vaccine official, resigned from his role while expressing disagreement with the nation’s health leader who let false information steer his vaccine safety decisions.
Resigrantion over misinformation conflict
Acting FDA Commissioner Sara Brenner received Dr. Peter Marks’ retirement notice as head of the Center for Biologics Evaluation and Research before his transition date of April 5.
The Associated Press obtained a notification from Marks that displayed his willingness to join forces with him on vaccine safety matters, according to Robert F. Kennedy Jr.

“It has become clear that truth and transparency are not desired by the Secretary, but rather he wishes subservient confirmation of his misinformation and lies,” he noted.
The FDA sources say Marks got two options from Kennedy: to step down voluntarily or to be terminated from his position. Although Kennedy delivered statements against vaccine misinformation at his Senate confirmation hearings, he maintained a continuous history of spreading such misinformation.
🚨🇺🇸 RFK JR. REMOVES FDA VACCINE CHIEF PUSHING ‘MISINFORMATION AND LIES’
— Mario Nawfal (@MarioNawfal) March 29, 2025
RFK Jr. has removed Dr. Peter Marks, the FDA’s top vaccine official, after Marks refused to align with the administration’s new transparency standards.
Marks was given the option to resign or be fired.… https://t.co/pJ5Gd0wGkh pic.twitter.com/lQOM5fZcOq
Kennedy gave his word to the Senate Health Committee chairperson that he would maintain all current vaccine recommendations without alteration.
Under his new position as secretary, Kennedy announced he would review vaccine safety, although evidence has demonstrated childhood vaccines to be protected for many years and that they have successfully saved numerous lives.
Mark administered a rapid vaccine and treatment review process for COVID-19 under his FDA leadership during the pandemic.

Through his leadership, Marks created both the name and the conceptual framework for “Operation Warp Speed,” which President Donald Trump established to accelerate vaccine production before complete safety and effectiveness testing.
Trump launched attacks at the FDA many times over their delayed approval of early COVID vaccines, although the operation achieved its intended success.
Breaking News: The top vaccine official at the FDA abruptly resigned, saying that Robert F. Kennedy Jr.’s “misinformation and lies” were irresponsible. https://t.co/ZPFjXmxXkn
— The New York Times (@nytimes) March 29, 2025
Donald Trump argued to his close advisors that receiving COVID-19 vaccines before the 2020 Election Day would have secured his reelection as president.
Furthermore, “RFK Jr.’s firing of Peter Marks because he wouldn’t bend a knee to his misinformation campaign now allows the fox to guard the hen house,” Offit stated.
“It’s a sad day for America’s children,” he maintained.