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Dr. Vinay Prasad is returning to his previous role as head of the FDA's Center for Biologics Evaluation and Research, overseeing vaccine, gene therapy, and blood product regulation. He left the position two weeks prior amid controversy surrounding a Sarepta Therapeutics gene therapy and criticism from right-wing influencer Laura Loomer. His continued role as FDA's chief medical and scientific officer remains unclear.

Prepared by Olivia Bennett and reviewed by editorial team.