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High-dose influenza vaccines for adults 65 and older (2025-2026)

The effectiveness of high-dose influenza vaccines for adults 65 and older in the 2025-2026 season, including their ability to prevent symptomatic flu and reduce serious outcomes such as hospitalization.

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Jan 15, 2026
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How effective are high‑dose flu vaccines for adults 65+ in the 2025–2026 season?

High‑dose influenza vaccines for adults 65 and older are supported by authoritative guidance for the 2025–2026 season and show consistent, if sometimes modest, advantages over standard‑dose vaccines f...