Kennedy Jr. falsely claiming that vaccines caused the 1918-1919 influenza pandemic known as the Spanish flu. One Facebook post (archived) with around 105,000 reactions at the time of this writing ...

Health Secretary Robert F. Kennedy Jr.'s push to collect troves of personal medical data to find the cause of autism has ...

Kennedy's comments mark the first time he has publicly urged people to get the measles vaccine since becoming HHS secretary.

Health and Human Services Secretary Robert F. Kennedy Jr. this week made his strongest endorsement yet of the measles vaccine ...

RFK Jr. and his "MAHA" movement's popularity appears to be at least in slight jeopardy with vaccine-skeptical supporters.

What changes has RFK Jr. enacted so far and what does the future of American health under his leadership look like?

Public health experts say the anti-vaccine views fronted by the HHS secretary are wrong and undermine trust in science. But a ...

RFK Jr. claims the measles vaccine effectiveness wanes at a rate of nearly 5% a year, an assertion medical experts dispute.

Shares of vaccine makers fell after US Health and Human Services Secretary Robert F. Kennedy Jr. raised doubts about the efficacy of a certain type of Covid vaccine.

A former top vaccine official says he was forced out of government after trying to block Robert F. Kennedy Jr. from accessing a sensitive vaccine safety database.

Health and Human Services Secretary Robert F. Kennedy Jr. spoke with CBS News in an exclusive interview. Here are some ...

A school-aged child died at a Texas hospital where they were receiving treatment for measles, marking the second death of a ...