The Food and Drug Administration laid off staffers who run an expert panel that advises the agency on vaccines, according to people familiar with the situation.

Kennedy’s silence is prompting questions from lawmakers, with a bipartisan request for the health secretary to appear before a Senate committee next week to explain the cuts.

A Department of Health and Human Services official delivered an ultimatum to Dr. Peter Marks: either resign or be fired.

Shares of Moderna, Novavax and other biotech companies fell after FDA official Peter Marks's resignation in protest of Robert F. Kennedy Jr.

A bipartisan letter from lawmakers questions the legality of Robert F. Kennedy Jr's HHS changes and the lack of clear communication regarding their potential impact on American health.

A top vaccine official at the Food and Drug Administration resigned, citing Health and Human Services Secretary Robert F. Kennedy Jr.’s “misinformation” and apparent lack of desire for “truth and transparency.

Mass firings and forced resignations sweep through the FDA under a new directive from the Trump administration, affecting thousands of federal health employees.

The top vaccine official with the Food and Drug Administration has resigned and criticized the nation's top health official for allowing “misinformation and lies” to guide his thinking behind the safe

More: Dr. Peter Marks, top vaccine official at FDA, resigns and criticizes RFK Jr. The firings are what happens “when you turn software engineers loose on a problem without content expertise ...

The downsizing includes pushing out about 10,000 full-time employees through early retirements, deferred resignations, and other efforts. Another 10,000 will be laid off in a brutal restructuring, bringing the total HHS workforce from 82,000 to 62,000.