Prasad, an oncologist who was a fierce critic of U.S. COVID-19 vaccine and mask mandates, was named the center's director in May.

Dr. Vinay Prasad’s rehiring was an unusual instance of a federal official targeted by the right-wing activist Laura Loomer being brought back into the Trump administration.

Prasad, an oncologist who was a fierce critic of U.S. COVID-19 vaccine and mask mandates, was named the center's director in May.

Prasad, an oncologist who was a fierce critic of U.S. COVID-19 vaccine and mask mandates, was named the center's director in May.

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.