U.S. FDA authorizes Pfizer's COVID-19 booster for 12- to 15-year-olds
The agency also shortened the time between the completion of primary vaccination of the Pfizer-BioNTech COVID-19 vaccine and a booster dose to five months from six.
The agency also shortened the time between the completion of primary vaccination of the Pfizer-BioNTech COVID-19 vaccine and a booster dose to five months from six.