CDC data has found that boys and young men, aged 12 to 24, have a heightened risk of myocarditis (inflammation of the heart) after COVID-19 vaccination. However, the cases are rare, relatively mild, and almost always resolve, according to CDC data. In a COVID-19 safety data presentation in June, CDC staff scientists reported that its vast vaccine safety monitoring systems indicated that in males 12–24, there are 27 myocarditis cases per million doses of COVID-19 vaccine…