Pfizer applies for FDA authorization for Omicron-retooled vaccine booster in children under age 5

The company said that if authorized, children would receive a primary series consisting of two doses of the original Pfizer-BioNTech Covid vaccine and one shot of the Omicron-optimized bivalent vaccine. Bivalent COVID-19 vaccine, targeting parent strain and BA.4/BA.5 omicron subvariants, currently authorized in the United States and the European Union (EU) as a booster dose […]