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Vaccination Elevated to Fourth Pillar of Heart Prevention as Study Links Viruses to Cardiac Risk Surges

New evidence quantifies sharp post‑infection rises in heart attack and stroke risk, strengthening calls for seasonal protection in older and vulnerable people.

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Virusinfektionen steigern Herzinfarkt- und Schlaganfallrisiko drastisch, Impfen schützt.

Overview

  • A US-led meta-analysis of 155 studies finds fivefold stroke and fourfold heart-attack risk in the first month after influenza infection.
  • Following SARS‑CoV‑2 infection, short‑term risk rose about 3.1× for heart attack and 2.9× for stroke, with events clustering in winter months.
  • Persistent infections showed longer-term links to cardiovascular disease, including HIV (+60% myocardial infarction, +45% stroke), hepatitis C (+27% MI, +23% stroke) and shingles (+12% MI, +18% stroke).
  • Earlier research cited indicates influenza vaccination reduces major cardiovascular events by roughly 34%, and pneumococcal vaccination cuts risk in adults over 65 by about 10%.
  • The European Society of Cardiology now classifies vaccination as a standalone prevention pillar and advises timely pre‑winter dosing, allowing same‑day flu, pneumococcal, RSV and COVID‑19 shots as uptake remains low in older groups.