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

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

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

The Advisory Committee on Immunization Practices’ two-day meeting is taking up vaccine policy questions that had been put on ...

Texas reported 20 new confirmed measles cases on Tuesday, a 4% increase from Friday’s data as the virus’ spread appears to be ...

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

Critiques of the vaccine injury reporting system have long been part of Kennedy’s efforts to questions the safety of ...

He spreads anxiety by saying they aren’t ‘adequately’ tested.

The health secretary is frequently returning to rhetoric from his time as one of the nation's most prominent vaccine critics.

The nation’s top public-health official has been promoting suspicions of the shot even as he offers comfort.

Robert F. Kennedy Jr.’s response to the outbreak has drawn criticism from both serious scientists and his most loyal ...

When the nation’s top health official endorsed the measles vaccine, his comments made waves because he has spent 20 years making false claims that vaccines are unsafe.