May 30, 2025 · The overall, adjusted vaccine effectiveness estimates for flu seasons from 2004-2025 are noted in the chart below. (Estimates are typically adjusted for study site, age, sex, underlying …

Dec 11, 2025 · Executive summary Early data and surveillance through mid‑2025–2026 show the current seasonal flu vaccines still cut the risk of severe illness and hospitalization — roughly 70–75% …

Sep 10, 2025 · The CDC recommends the updated 2025-2026 flu vaccines to protect against the flu this fall and winter. Here’s what we know about their effectiveness so far.

Mar 13, 2025 · Today, the FDA made recommendations to vaccine manufacturers for the virus strains to be used in influenza (flu) vaccines for the 2025-2026 U.S. flu season following a thorough and...

The 2024-25 influenza season had high activity, with 94.7% of cases due to influenza A, and varying vaccine effectiveness. Despite variable effectiveness, vaccination significantly reduces severe …

By Nicolas Hulscher, MPH

3 days ago · How effective is the flu shot this year? According to CDC data, the 2025-2026 flu vaccine was 70-75% effective at preventing emergency room visits in children and 30-40% effective for …

Sep 19, 2025 · Experts recommend that everyone who is eligible get vaccinated against influenza this fall. Experts say flu shots lower the risk of being hospitalized or dying from the illness. Latest...

For the 2025-2026 flu season, CDC recommends seasonal flu vaccination for children, pregnant women, and adults with only single-dose formulations of flu vaccine that are free of thimerosal as a …

Nov 12, 2025 · Earlier this month, a group of Canadian researchers published early influenza data for the 2025-26 season, issuing a warning: There has been an observed mismatch with the seasonal …