The median level ofhs-cTnI and NT-pro BNP of COVID-19-relatedAVB is significantly higher thancontrols, which is supportive for diagnosing COVID-19-related myocarditis.Whether those acute-phase proteins are pivotal to the development of AVB inCOVID-19 patient needs to be further elucidated. The gene discussed is TNNI3; the disease is myocarditis.