By Dr. Sanchari Sinha Dutta, Ph.D. Reviewed by Lauren Hardaker Nov 3 2025 Backed by real-world evidence from more than 500 studies, a new review shows that this season’s Covid-19, RSV, and flu vaccines continue to protect against severe illness. Study: Updated Evidence for Covid-19, RSV, and Influenza Vaccines for 2025–2026. Image credit: Tong_stocker/Shutterstock.com A systematic review of U.S.-licensed immunizations against respiratory viruses has recently been done to provide updated

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