Bivalent COVID-19 vaccines from Pfizer and Moderna are now authorized for use in children as young as 6 months old, the FDA announced on Thursday.[MedPage Today]

— Bivalent vaccines will offer better protection in the coming months, says FDA

Under an updated emergency use authorization (EUA), Pfizer's updated vaccine is now authorized as the third dose of the primary series for kids ages 6 months to 4 years, following two doses of the monovalent vaccine. Under the terms of the EUA, Pfizer's monovalent vaccine is no longer authorized as a third dose for this age group.

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