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.

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.

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,