Thousands of American teenagers may have suffered heart inflammation after getting a Covid jab, a study suggests.
Researchers found up to one in 7,000 boys aged 12 to 15 years old developed myocarditis after receiving the Pfizer vaccine.
The condition — which is mild for most but can cause a recurrent heart palpitation in rare cases — was most common after the second dose.
http://archive.today/2022.10.03-220645/https://www.dailymail.co.uk/health/article-11275889/Up-one-7-000-American-teens-suffered-heart-inflammation-Covid-vaccine.html