The National Library of Medicine is reporting that "Following the global rollout and administration of the Pfizer Inc./BioNTech BNT162b2 and Moderna mRNA-1273 vaccines on December 17, 2020, in the United States, and of the Janssen Ad26.COV2.S product on April 1st, 2021, in an unprecedented manner, hundreds of thousands of individuals have reported adverse events (AEs) using the Vaccine Adverse Events Reports System (VAERS). "
"Myocarditis rates reported in VAERS were significantly higher in youths between the ages of 13 to 23 (p<0.0001) with ∼80% occurring in males. Within 8 weeks of the public offering of COVID-19 products to the 12-15-year-old age group, we found 19 times the expected number of myocarditis cases in the vaccination volunteers over background myocarditis rates for this age group."
"In addition, a 5-fold increase in myocarditis rate was observed subsequent to dose 2 as opposed to dose 1 in 15-year-old males. These findings suggest a markedly higher risk for myocarditis subsequent to COVID-19 injectable product use than for other known vaccines, and this is well above known background rates for myocarditis."
Myocarditis and Pericarditis Following
Vaccination with COVID-19 mRNA Vaccines in
Ontario
More than 100 Ontario youth sent to hospital for vaccine-related heart problems
But don't worry, it's very rare.
Myocarditis and the Covid vaccine
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