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.

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

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

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

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

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

RFK Jr. suggests parents consider measles vaccine amid deadly Texas outbreak: 'Call to action' Kennedy, who has a ...

“The most effective way to prevent the spread of measles is the MMR vaccine,” Kennedy, a vaccine skeptic, wrote at the end of ...

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

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