As millions of students return to school, the U.S. Food and Drug Administration (FDA) on Monday authorized the third dose of the Pfizer-BioNTech COVID-19 vaccine for children ages 12 to 15, in the face of a growing number of new cases.
As millions of students return to school, the U.S. Food and Drug Administration (FDA) on Monday authorized the third dose of the Pfizer-BioNTech COVID-19 vaccine for children ages 12 to 15, in the face of a growing number of new cases.