Vinay Prasad, the U.S. Food and Drug Administration's top vaccine regulator, is returning to his post less than two weeks after the White House had him ousted.

A Food and Drug Administration official who stepped down less than two weeks ago is getting his job back as the agency’s top vaccine regulator. Dr.

Vinay Prasad returns as FDA's CBER director after brief exit, raising questions on rare disease drug approvals and mRNA vaccine oversight.