AUG 27, 2026 · JOURNAL ARTICLE
Association between influenza vaccination and severe outcomes in adults aged ≥ 65 years hospitalized with laboratory-confirmed influenza: a retrospective cohort study, I-MOVE hospital network, Europe, 2015/16-2024/25.
Expert Review of Vaccines
Retrospective cohort study of 4,257 hospitalized older adults showing vaccination associated with 26% relative risk reduction in in-hospital death (95% CI: 3–43%) but minimal effect on ICU admission; reinforces established benefit against severe mortality outcomes.
Reported
ICU admission, vaccinated3%
ICU admission, unvaccinated5%
In-hospital death, vaccinated5%