Myopericarditis Associated to mRNA Vaccine in Adolescents: Report of Two Cases

Abstract

Myopericarditis related to mRNA SARS CoV2 vaccines in adolescents is a rare side effect and currently reported after the second dose of Pfizer-BioNTech dose. Here we describe two cases without severity signs or complications after inpatient follow-up and ambulatory treatment. Although treatment is still controversial a good prognosis and non-sequela after injury is expected. A correct approach and suspect diagnosis of myocarditis in children must be excluded after compatible symptoms and recent COVID-19 vaccination and discarding other potential infections.