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2025-2026 U.S. Midseason Influenza Vaccine Effectiveness

The release date for the U.S.-specific midseason influenza vaccine effectiveness estimates for the 2025-2026 season

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Jan 7, 2026
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When will the CDC release U.S.-specific midseason vaccine effectiveness estimates for 2025–2026?

There is no specific release date in the available reporting for U.S.-specific midseason influenza vaccine effectiveness (VE) estimates for 2025–2026; the CDC has published early and routine VE analys...