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Flu Shots Cut Heart Attack Risk by 18%, Study Finds

2/11/2026

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Story summary
  • Researchers from Zhejiang Chinese Medical University find that getting a flu shot is linked to an 18% reduction in heart attack odds, based on 15 studies of over 23 million adults.
  • The review suggests the vaccine may reduce inflammation and coronary artery disease, but further research is needed.
  • The Centers for Disease Control and Prevention (CDC) reports that 90% of child flu deaths occurred in unvaccinated children, highlighting vaccination's importance.