WASHINGTON — The Food and Drug Administration has named Katherine Szarama as the acting director of the Center for Biologics Evaluation and Research, which regulates vaccines, gene therapies, and the blood supply.

A Health and Human Services official confirmed the move, which was first reported by Politico, to STAT.

She is replacing Vinay Prasad, who left the agency on Thursday after a tumultuous tenure during which he issued a series of controversial decisions on rare disease drugs and vaccines. FDA Commissioner Marty Makary said in March that Prasad would return to the University of California San Francisco.

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