Does the COVID-19 vaccine cause heart problems?

Since April 2021, there have been more than a thousand reports of cases of myocarditis (inflammation of the heart muscle) and pericarditis (inflammation of the lining outside the heart) happening after some COVID-19 vaccinations. Considering the hundreds of millions of COVID-19 vaccine doses that have been administered, these reports are very rare. The problem occurs more often in adolescents (teens) and young adults, and in males. The myocarditis or pericarditis in almost all cases is mild and resolves quickly. In the 5-11 trials no cases of myocarditis were reported. Additionally, myocarditis is a much more common complication of having COVID-19 than from getting vaccinated.

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