Pfizer Asks F.D.A. to Authorize Its Covid-19 Vaccine for Children 5 to 11

Pfizer and BioNTech asked federal regulators on Thursday to authorize emergency use of their coronavirus vaccine for children ages 5 to 11, a move that could help protect more than 28 million people in the United States.

The companies say they are submitting data supporting the change to the Food and Drug Administration. The agency has promised to move quickly on the request and has tentatively scheduled a meeting on Oct. 26 to consider it. A ruling is expected between Halloween and Thanksgiving.

“With new cases in children in the...