Sanofi’s high-dose influenza vaccine demonstrates superior protection

20 October 2025

New data from the FLUNITY-HD study, published on October 17 in The Lancet, demonstrated that Sanofi's (Euronext: SAN) Efluelda known as Fluzone High-Dose in North America) significantly reduced the risk of hospitalization in adults 65 years and older compared to standard-dose influenza vaccines.

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