The First mRNA Flu Vaccine Is Approved: What Adults 50+ Should Know
Quick Summary The FDA approved Moderna’s MFLUSIVA on August 5, 2026, making it the first mRNA seasonal influenza vaccine approved in the United States. It is a single-dose injection for adults 50 and older and is formulated for the 2026–2027 flu season. Approval does not establish that MFLUSIVA is the best choice for every adult
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