Kennedy Jr., a longtime anti-vaccine activist, has upended the way COVID vaccines are approved and for whom they’re recommended, creating uncertainty where coverage was routine. Agencies within HHS ...

Conspiracy theories are not harmless. They have consequences, and this time, one of those consequences was deadly.

They said they are fed up with how they and their work are being derided and impugned by conservatives and anti-vaccine activists.

A potential breakthrough in the ongoing AIDS crisis could be deprioritized due to the decisions of noted vaccine skeptic Robert F. Kennedy, Jr.