The incidence of myocarditis is increased after the receipt of the #COVIDVaccine (Pfizer-BioNTech), particularly after the second dose among young male recipients: https://t.co/6g6nPvw71Q
New study based on data from Israel. pic.twitter.com/BtuRa1T3SP

— Dr John B. (@DrJohnB2) October 31, 2021