People who received a flu vaccine formulated for the 2024-2025 flu season had a 27% higher risk of getting the flu than those who didn’t get the vaccine, suggesting “the vaccine has not been effective in preventing influenza this season,” according to a new preprint study.
The study of 53,402 employees of the Cleveland Clinic, an Ohio-based nonprofit academic medical center, concluded that the flu vaccine had a negative effectiveness rate of 26.9%…
