FDA Says MedImmune, Inc. Flu Vaccine Works in Children Under Age 5, but Raises Some Safety Concerns

WASHINGTON, May 14 (Reuters) - Data for MedImmune Inc.'s (MEDI.O: Quote, Profile , Research) Flumist show the influenza vaccine is effective for children younger than 5 years old, U.S. regulatory staff said in a review released on Monday.

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