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

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

Robert F. Kennedy Jr. softened his image as a vaccine critic while seeking to become the nation’s health secretary.

RFK Jr. voiced support for the MMR vaccine after a measles death, despite a long history of general vaccine skepticism.

U.S. Health and Human Services Secretary Robert F. Kennedy Jr. visited Gaines County, Texas, to console the families whose ...

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

Kennedy Jr., advocated for the measles, mumps, and rubella (MMR) vaccine amid the ongoing measles outbreak in the country.

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

The former top vaccines official at the Food and Drug Administration criticized Health and Human Services Secretary Robert F.

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

Robert F. Kennedy Jr., the Health and Human Services Secretary, has spoken several times in April about plans to find the origins of autism.

Robert F. Kennedy Jr. came under fire for his claims about autism in his first press conference as Trump's secretary of ...