“The FDA obviously affects what gets approved, but once things are approved, it’s a states’ rights issue,” Dr. Mitchell Katz, president and CEO of NYC Health and Hospitals, said at a press conference the day after the election. Katz was responding to a question about Trump’s potential to affect vaccine access in New York.

Trump has made it clear that RFK Jr. will get the chance to reshape public health in the U.S. if he's re-elected, which could go as far as pulling some vaccines from the market.