The benefits of COVID-19 mRNA vaccines outweigh the risk of rare heart inflammation
A CDC group analyzed 636 reported post-vaccination cases of myocarditis
![a young man in a White Sox hat receives a COVID vaccine in his left arm](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2021/06/062321_ti_covid-myocarditis_feat.jpg?fit=1030%2C580&ssl=1)
Young people, especially males, may have a small risk of developing heart inflammation particularly after a second dose of an mRNA vaccine, U.S. health officials say. Here, Christian Santos, 22, gets a COVID-19 shot before a White Sox baseball game on June 8 in Chicago.
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