The 2024–2025 influenza season was characterized as having high severity, and in research published in Open Forum Infectious Diseases, researchers found flu shots provided protection not just against hospitalization but also against emergency department (ED) and urgent care (UC) visits during that time. They evaluated influenza vaccine effectiveness using data from 7 healthcare systems in 8 states across 102,854 ED/urgent care visits among children and 233,411 visits among adults. Overall, vaccination was 54% effective against …
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