Laid off workers were told their notices of an upcoming reduction in force were "revoked." Officials didn't explain why HHS appeared to be restoring hundreds of jobs it previously called duplicative.

HHS Secretary Robert F. Kennedy Jr. named eight new members to the CDC’s panel of outside vaccine experts Wednesday, two days after firing all 17 of its members.

The U.S. Centers for Disease Control and Prevention reversed course Wednesday, reinstating approximately 450 employees previously laid off under the Trump administration’s federal workforce reduction initiative.

The proposed budget for the Department of Health and Human Services slashes CDC and NIH funding in favor of the new Administration for a Healthy America.

A major salmonella outbreak involving 1.7 million eggs from the August Egg company has infected 79 people in seven states.

"We're turning back the clock in a very dangerous way," said Paul Allwood, whose team at the CDC was eliminated in April.

Kennedy's picks circumvented the usual CDC process for selecting members of the Advisory Committee on Immunization Practices. In previous administrations, career agency officials — not political leaders — vetted potential experts before forwarding them to the department for the secretary's approval.

The CDC, a $9.2 billion-a-year agency tasked with reviewing life-saving vaccines, monitoring diseases and watching for budding health threats, is without a clear leader.