Your flu shot could reduce your risk of serious heart problems

Embargoed until: Publicly released: 2022-04-30 01:00

International

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Getting the seasonal influenza vaccine could reduce the risk of serious cardiovascular events like heart attacks and stroke, according to an international meta-analysis. Researchers combined a previous meta-analysis of randomized controlled trials for the flu shot with another trial completed last year to update research on the topic, and they say across the studies, participants who had the flu shot had a 34 per cent lower risk of major cardiovascular events than placebo recipients. Among those deemed high risk due to an existing heart problem, they say the risk was 45 per cent lower for flu shot recipients.

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Journal/
conference: JAMA Network Open

Research:Paper

Organisation/s: University of Toronto, Canada

Funder: This study received funding from a Canadian Institutes for Health Research Strategy for Patient-Oriented Research Innovative Clinical Trial multiyear grant (No.MYG-151211), a Ted Rogers Centre for Heart Research Innovation Fund—COVID-19 Award, and in part by the Peter Munk Cardiac Care Innovation Fund.

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