A meta-review from 2022 shows that the overall risk for myopericarditis after receiving a COVID-19 vaccine is low.[6] In addition, the incidence of myopericarditis is significantly higher with a smallpox vaccination in comparison with a COVID-19 vaccination.
Did some digging
Could be a combo
Wait, wait, wait...hold on a fucking minute.
Remember when it was recommended for young men to get smallpox jabs when we didn't know monkeypox was a gay disease?
"Homophobia" might have saved millions of lives here.
Always has.