Myocarditis from COVID-19 booster rare, but risk highest among teen boys, young men--study

Myocarditis from COVID-19 booster rare, but risk highest among teen boys, young men Cases of myocarditis – an inflammation of the heart muscle – following a third dose of the Pfizer vaccine are rare and typically mild, research from Israel shows. www.heart.org

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When vaccine-related myocarditis does occur, cases are typically mild, according to the study published Tuesday in the American Heart Association journal Circulation. It found the risk was highest among teen boys and young men.

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