The FDA has updated labels on the top two COVID-19 vaccines to warn of a rare heart side effect, mostly seen in young men. Here's what to know.

A new study may partly explain what's driving rare cases of heart inflammation, called myocarditis, in some young people who have gotten repeat doses of the mRNA COVID-19 vaccines. The risk of ...

Add Yahoo as a preferred source to see more of our stories on Google. In October 2021, Da’Vion Miller was found unconscious in the bathroom of his home in Detroit a week after receiving his first dose ...

Recent research about myocarditis, a severe inflammation in the heart that has been linked to both COVID-19 infections and rarely to COVID-19 vaccination with mRNA vaccines, has led to heated debate ...

A study published in Catheterization & Cardiovascular Interventions has found that the COVID-19 pandemic was associated with ...

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Multiple studies have shown that in rare cases, teen and young adult males have developed myocarditis after getting the mRNA COVID-19 vaccine — and now new research published in the journal Science ...

Now that hundreds of millions of doses of COVID-19 vaccines have been administered in the U.S., an abundance of safety data has been collected. While this data shows that COVID-19 vaccines are safe ...