"Vaccination rates rose significantly at 65, but there was no corresponding statistically significant reduction in influenza/pneumonia hospitalizations (estimated effect: –5.8%, 95% CI –25.3% to 12.9%) or all-cause mortality"
https://blossom.primal.net/11b8c4ffeb038af6380d26eb9c441f3f4d5369a90bcb2f34be112b2a5d83e557.pdf
quotingfrom last year's flu vaccination season
nevent1q…vyac
https://www.medrxiv.org/content/10.1101/2025.01.30.25321421v4
"Among 53402 working-aged Cleveland Clinic employees, we were unable to find a protective influence of influenza vaccination during the 2024-2025 respiratory viral season and found a significantly higher risk of influenza with vaccination when influenza activity was high."
