In Review, Top F.D.A. Scientists Question Imminent Need for Booster Shots

An article, written with other vaccine experts, put the regulators at odds with key federal health officials, including Dr. Anthony S. Fauci.

Two Top F.D.A. Vaccine Regulators Are Set to Depart During a Crucial Period

The announcement that Dr. Marion Gruber and Dr. Philip Krause will leave this fall comes as the agency conducts sensitive reviews of coronavirus vaccines for children and booster shots.

Two Top F.D.A. Vaccine Regulators Are Set to Depart During a Crucial Period

The announcement that Dr. Marion Gruber and Dr. Philip Krause will leave this fall comes as the agency conducts sensitive reviews of coronavirus vaccines for children and booster shots.