On October 3, 2023, the Food and Drug Administration amended the emergency use authorization (EUA) of Novavax COVID-19 Vaccine, Adjuvanted to include the 2023-2024 formula. The Novavax COVID-19 Vaccine, Adjuvanted, a monovalent vaccine, has been updated to include the spike protein from the SARS-CoV-2 Omicron variant lineage XBB.1.5 (2023-2024 formula). The Novavax COVID-19 Vaccine, Adjuvanted (Original monovalent) is no longer authorized for use in the United States.

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