FDA Approves First mRNA Flu Vaccine for Individuals 50 and Older
The U.S. Food and Drug Administration (FDA) has approved Moderna's mFlusiva, the first mRNA-based vaccine for influenza, for individuals aged 50 and older. This new vaccine has shown higher effectiveness in clinical trials compared to traditional flu shots and offers…

Houston, TX, August 6, 2026 —
The U.S. Food and Drug Administration (FDA) has granted approval for Moderna’s mFlusiva, marking a significant milestone as the nation’s first messenger RNA (mRNA) based vaccine for influenza. This new vaccine is indicated for individuals aged 50 years and older.
Clinical trials have demonstrated that mFlusiva exhibits higher effectiveness rates when compared to conventional influenza vaccines. A key advantage highlighted by the development of this mRNA vaccine is its expedited development timeline. This faster production cycle allows for improved responsiveness in matching vaccine components to the flu strains that are actively circulating within the population.
The approval of mFlusiva arrives at a time when discussions surrounding vaccine recommendations and public confidence in vaccine technologies are prominent. The introduction of an mRNA platform for influenza vaccination offers a new approach to seasonal flu prevention.
Further details regarding the specific clinical trial data, effectiveness percentages, and the exact timeline for availability of mFlusiva are expected to be released. The FDA’s decision is based on a comprehensive review of the submitted data concerning the vaccine’s safety and efficacy in the target age group.
Story summarized from the original created by Alice Park on time.com, see more information here.
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