Moderna, Novavax Drop After FDA’s Top Vaccine Official Exits

Peter Marks

Photographer: Jim Lo Scalzo/EPA/Bloomberg

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Vaccine and biotech stocks plunged after a top regulator left the US Food and Drug Administration, casting deep uncertainty about the future of vaccines and cutting-edge gene therapies.

Peter Marks, a key figure overseeing the review and approval of vaccines and other medications, resigned on Friday, citing friction with the views of new Health and Human Services Secretary and longtime vaccine critic Robert F. Kennedy Jr.