Dr. Vinay Prasad had been serving as the FDA's director of the Center for Biologics Evaluation and Research since May, and was later named chief medical and scientific officer.

The U.S. Food and Drug Administration's top vaccine official, Vinay Prasad, has left the agency after just three months as Director of the Center for Biologics Evaluation and Research, a government spokesperson said.

Vinay Prasad recently drew outrage from conservatives, including Laura Loomer, who disagreed with his approach to approving gene therapies for rare diseases and accused him of holding liberal views.