Large cohort study with over 2.5 million individuals showed the incidence of myocarditis after the Pfizer vaccine was 2.13 cases per 100,000 persons.

Myocarditis after Covid-19 Vaccination in a Large Health Care Organization – New England Journal of Medicine

Commentary: Studies Highlight Rarity of Myocarditis With mRNA COVID-19 Vaccines – TCTMD

Related Study: Myocarditis after BNT162b2 mRNA Vaccine against Covid-19 in Israel – New England Journal of Medicine

Commentaries on Twitter

Among 2.5 million patients who received the BNT162b2 mRNA vaccine in a large Israeli health care system, the incidence of myocarditis at 42 days was 2.13 cases per 100,000 persons. #Covid19vaccine #IDTwitter https://t.co/EzmsaW2u4Y pic.twitter.com/P95eUm8xo9

— NEJM (@NEJM) October 6, 2021

Just out in @NEJM: Two studies on myocarditis after vaccination with Pfizer

Among 2.5 million vaccinated:
– 54 cases of myocarditis
– 94% men, median 27 y.o.
– Most cases mild, only one fulminanthttps://t.co/xGf7rtwGfr

— David Juurlink (@DavidJuurlink) October 6, 2021