Does the incidence of reported myocarditis or pericarditis after BNT162b2 vaccination vary by age, sex, and inter-dose interval among adolescents aged 12 to 17?

Researchers conducted a population-based cohort study among 12 to 17-year-old adolescents in Ontario, Canada, to estimate the incidence of myocarditis or pericarditis after BNT162b2 vaccination.