Veritas βοΈπΊπ²ββ‘π 9 months ago NEW STUDY - Flu Vaccination Linked to 27% Increased Risk of Flu Major Cleveland Clinic study finds. NEW STUDY - Flu Vaccination Linked to 27% Increased Risk of FluMajor Cleveland Clinic study finds β26.9% effectiveness for influenza vaccine during the 2024β2025 respiratory viral season.