{{cquote|Reported cases have occurred predominantly in male adolescents and young adults 16 years of age and older. Onset was typically within several days after mRNA COVID-19 vaccination, and cases have occurred more often after the second dose than the first dose.<ref>https://www.cdc.gov/vaccines/covid-19/clinical-considerations/myocarditis.html myocarditis</ref>}}
{{cquote|Reported cases have occurred predominantly in male adolescents and young adults 16 years of age and older. Onset was typically within several days after mRNA COVID-19 vaccination, and cases have occurred more often after the second dose than the first dose.<ref>https://www.cdc.gov/vaccines/covid-19/clinical-considerations/myocarditis.html myocarditis</ref>}}