The U.S. Food and Drug Administration may not renew its authorization for Pfizer's COVID-19 vaccine approved for children under the age of 5, according to multiple outlets.

The Food and Drug Administration (FDA) is considering revoking the authorization of Pfizer’s COVID-19 vaccine for healthy children younger than 5 years old, a move that would add another barrier for parents who want to vaccinate healthy children ahead of the respiratory virus season.