September 9th 2025
New data show the LP.8.1-adapted COVID-19 vaccine generates ≥4-fold antibody increases in older and high-risk adults, with no new safety concerns.
COVID-19 Vaccine Update: FDA Amends Pfizer, Moderna EUAs, Simplifying Use of Bivalent Formulations
April 18th 2023The FDA action ends the use of monovalent COVID-19 mRNA vaccines from Pfizer/BioNTech and Moderna in favor of bivalent formulations to simplify the vaccination schedule, said the Agency.