What RFK Jr. could — and couldn’t — do with vaccines as HHS chief

If confirmed as head of the Department of Health and Human Services (HHS), prominent vaccine skeptic Robert F. Kennedy Jr. wouldn't have the authority to ban vaccines — but health experts warn there are other ways he could exert influence over them.    

Kennedy's position would give him significant power over the agencies that regulate vaccines, and he could potentially seek to reduce vaccine funding requests, withdraw vaccine recommendations and restrict l...