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Covid-19 vaccines seem to cut the risk of heart attacks and strokes

Many covid-19 vaccines occasionally cause side effects such as blood clots or heart inflammation, but, overall, they appear to be beneficial in preventing heart and circulatory conditions

By Clare Wilson

27 February 2024

The main covid-19 vaccines seem to have a net positive effect on our heart health

Fly View Productions/Getty Images

Many covid-19 vaccines appear to reduce the risk of heart attacks, strokes and other blood clot conditions for at least six months, according to a study of the health of about 46 million people amid the coronavirus pandemic. This is despite them causing rare side effects that affect the heart and blood clotting system.

The net benefit to heart conditions most probably happens because the vaccines protect against severe covid-19, which itself can cause heart attacks,…

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