Yes, I know this study. Thanks. I think this is better reference https://www.medrxiv.org/content/10.1101/2021.07.23.21260998v1 https://www.medrxiv.org/content/1

Yes, I know this study. Thanks. I think this is better reference https://www.medrxiv.org/content/10.1101/2021.07.23.21260998v1 https://www.medrxiv.org/content/10.1101/2021.07.23.21260998v... These papers are not directly comparable. Singer et al paper estimates first occurrence of myocarditis without any previous cardiovascular history and without previous vaccination against COVID-19. The OP paper does not have this specification so the results of these papers are not directly comparable. In addition the Singer et al paper includes also pericarditis, myopericarditis (myocarditis and pericarditis occurring together) in addition to myocarditis. Considering that pericarditis is more prevalent in COVID-19 patients and is missing in vaccinated https://www.nature.com/articles/s41591-021-01630-0 https://www.nature.com/articles/s41591-021-01630-0 OP papers clearly is overestimating the difference.