Staff turnover is typical when a new administration comes in, and a significant number of FDA employees similarly considered leaving before President-elect Donald Trump’s first term in office, said one former and one current official.

Food and Drug Administration commissioner Robert Califf said he was “disappointed” with the presidential election result and is uncertain about the agency’s future under Donald Trump. “I’m biased, but I feel like the FDA is at peak performance right now and we’ll just see what happens as the new team comes in,

RFK Jr., a longtime anti-vaccine activist, to play a role in Trump administration and potentially influence how the FDA and CDC approach the lifesaving shots.