Pfizer Inc. and BioNTech SE have completed a submission to the U.S. Food and Drug Administration (FDA) requesting Emergency Use Authorization (EUA) of a 10-µg booster dose of the companies’ Omicron BA.4/BA.5-adapted bivalent COVID-19 vaccine for children 5 through 11 years of age.   The request for Emergency Use Authorization of the Omicron BA.4/BA.5-adapted bivalent vaccine in this age group is supported by safety and immunogenicity data from the companies’ Omicron BA.1-adapted bivalent vacci...