Moderna Falls as FDA Vows to Impose New Vaccine Requirements (1)

December 1, 2025, 2:36 PM UTC

Moderna Inc. fell Monday after the Food and Drug Administration said in a memo late last week it would place new restrictions on which vaccines hit the market.

Vinay Prasad, a top FDA official, blamed Covid shots for playing a role in the deaths of 10 children in the memo he sent to agency staff on Friday, which was seen by Bloomberg. He said the FDA will require vaccine makers to perform additional tests to get their shots approved as a result of the safety concerns.

Moderna, which produces Covid shots, fell 4.1% at the start of regular trading ...

Learn more about Bloomberg Law or Log In to keep reading:

See Breaking News in Context

Bloomberg Law provides trusted coverage of current events enhanced with legal analysis.

Already a subscriber?

Log in to keep reading or access research tools and resources.