Kennedy Jr., an ardent vaccine critic who would have been Weldon’s boss as health secretary. Perhaps Weldon’s biggest problem ...

The Infectious Disease Society of America says there have been “no deaths related to the measles, mumps and rubella vaccine ...

RFK Jr. has claimed measles can be treated with vitamin A and that severe infection is linked to poor diet. But many experts who spoke with ABC News disagreed.

If you want to learn how to prevent a measles outbreak like the one currently in Texas, our country's secretary of health isn't the best source.

There sat Robert F. Kennedy Jr., the nation’s top health official, at a Steak ’n Shake with Fox News host Sean Hannity, ...

Abrupt staffing changes have also dominated Kennedy's first weeks in office, with CDC pick Dave Weldon, MD, withdrawing from the nomination mere minutes before his hearing, Kennedy's top HHS spokesman ...

In a Q&A, NIH addiction chief Nora Volkow speaks about RFK Jr.'s policy shake-ups, 12-step recovery limits, and why overdose ...

In the decade before the introduction of the MMR vaccine in 1963, there were 400 to 500 US measles deaths per year. Before Wednesday’s death there had not been a measles death in the US since ...