evidence: Myocarditis and pericarditis in adolescents after first and second doses of mRNA COVID-19 vaccines , [...] Déborah Foltran, Clément Delmas, Clara Flumian, Pierre De Paoli, Francesco Salvo, Sophie Gautier, Milou-Daniel Drici, Clément Karsenty, François Montastruc, Myocarditis and pericarditis in adolescents after first and second doses of mRNA COVID-19 vaccines, European Heart Journal - Quality of Care and Clinical Outcomes, Volume 8, Issue 2, March 2022, Pages 99–103, https://doi.org/10.1093/ehjqcco/qcab090 While some concerns about vaccination-related pericarditis and/or myocarditis have been raised, no published data are available on pericarditis and/or myocarditis with mRNA COVID-19 vaccines in the age group of adolescents, particularly 12–15 years. The objective of this study was to determine whether the risk of reporting pericarditis and/or myocarditis with mRNA COVID-19 vaccines varied according to dose of vaccination, age, sex, and type of pericarditis and/or myocarditis in adolescents between 12 and 17 years.