Myocarditis and pericarditis following mRNA vaccination in autoimmune inflammatory rheumatic disease patients: A single-center experience.

Introduction: The mRNA vaccines Comirnaty (Pfizer/BioNTech) and Spikevax (Moderna) are considered safe and highly effective against SARS-COV2. However, they are also associated with a small increased risk of pericarditis and myocarditis. There is concern about an increased risk of these complications in patients with autoimmune inflammatory rheumatic diseases (AIRD).