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.

Issues are piling up on Kennedy's watch, from responding to the CDC shooting to infighting over an FDA official.

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 ...