Robert F. Kennedy Jr.’s failure to install a fellow vaccine critic to a key government post is testing the limits of how far the US health secretary can go to promote his public-health agenda.

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.

Robert F. Kennedy Jr. traveled to a Steak ‘n Shake in Florida this weekend for an interview with Fox News' Sean Hannity to ...

The vaccine skeptic lacked the Senate votes to be confirmed to run the Centers for Disease Control and Prevention.

HHS Secretary Robert F. Kennedy Jr. got hit with a fact-check on X/Twitter over claims he made about vaccines in a Fox News interview.

A longtime Johns Hopkins surgeon and best-selling author, he has advised the World Health Organization and been elected to ...

Kennedy Jr. as he falsely claimed that millions of improbably old ... calling Joe Biden the worst president ever and decrying ...

The death of the unvaccinated school-aged child marks the first fatality from measles in the United States in 10 years.

RFK Jr. prioritizes debunked vaccine conspiracies over real public health threats, ignoring rising outbreaks of measles, influenza, and pertussis. His rejection of scientific consensus endangers ...

There is little hope for my countrymen and countrywomen. It could also be that there will be little impact with RFK Jr at the helm. His pronouncements are so outlandish that they may be met with a ...

The president promoted "Trump Was Right About Everything" hats with his heath secretary standing behind him on Tuesday.