Dr. Vinay Prasad is stepping down as the Food and Drug Administration’s top vaccine regulator after a brief tenure.

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.

Indian-origin scientist Vinay Prasad resigned as the FDA's vaccine and gene therapy chief in just three months after backlash over halting Sarepta's DMD gene therapy on safety grounds. His caution drew criticism from patients,