A New Flu Shot: What to Know About the mRNA Influenza Vaccine

DALLAS – Sept. 17, 2026 – Every fall, millions of Americans heed the call to get their annual flu shot. Getting vaccinated reduces the risk of severe illness, hospitalization, and death from influenza. This fall, adults 50 and older have a new option to protect their health. In August 2026, the Food and Drug Administration (FDA) approved the first flu vaccine in the U.S. to use messenger ribonucleic acid (mRNA) technology. In this vaccine, named mFLUSIVA, the mRNA provides tem