The FDA has licensed mFLUSIVA (Moderna), the first mRNA-based influenza vaccine in the US, for prevention of influenza in adults ≥50 years old. mFLUSIVA will be available for the 2026-2027 influenza season. Three mRNA COVID-19 vaccines (Comirnaty, Spikevax, and mNEXSPIKE) and one mRNA RSV vaccine (mRESVIA) are also licensed in the US.

The FDA has licensed new 2025-2026 formulations of the mRNA COVID-19 vaccines manufactured by Pfizer/BioNTech (Comirnaty) and Moderna (Spikevax, mNEXSPIKE) and the adjuvanted protein subunit COVID-19 vaccine manufactured by Novavax (Nuvaxovid). The new formulations are indicated for use in all adults ≥65 years old and in persons 6 months (Spikevax), 5 years (Comirnaty), or 12 years (mNEXSPIKE, Nuvaxovid) through 64 years old who are at high risk for severe COVID-19 because of an underlying condition. An Emergency Use Authorization allowing administration of the Pfizer vaccine to children 6 months through 4 years old has been withdrawn.

The FDA has licensed mNEXSPIKE (Moderna), an mRNA vaccine, for prevention of COVID-19 in adults ≥65 years old and in persons 12-64 years old who have a condition that puts them at high risk for severe outcomes from COVID-19. Spikevax, the original Moderna mRNA COVID-19 vaccine, remains in production2; it is licensed for use in persons ≥12 years old and is available under an Emergency Use Authorization (EUA) for children 6 months to 11 years old.