HHS Secretary RFK Jr. tussled with Sen. Chris Murphy about measles vaccine safety. Who was right? Data shows that the two-dose measles vaccine is 97% effective at preventing measles and experts say ...

Health secretary RFK Jr. earlier this week said it's Matthew Buzzelli, listed on the CDC's website as chief of staff. But the ...

Post health reporters answered your questions on Robert F. Kennedy Jr.’s plans for public health and more during a live chat.