Myocarditis and Pericarditis have many virological and immunological causes. This article described the SARS-CoV involvement to the heart in children and adolescents, also the entity Multisystem Inflammatory Syndrome in Children (MIS-C), a rare but severe consequence of SARS-CoV2 infection. Hong Kong case definition of MIS-C was listed. The consensus from overseas experts was that MIS-C should be managed by multidisciplinary team with a structured long-term follow-up to monitor the functioning of various organs and ascertain the prognosis. The side effect mRNA vaccination causing myocarditis and pericarditis is also concern of paediatricians worldwide. Hong Kong published local epidemiology of acute myocarditis and pericarditis among adolescents following Comirnaty vaccination, the local and overseas data were used in fine-tuning the COVID vaccination program in children and adolescents. To prevent severe and fatal outcome of COVID-19 diseases, it is important to educate the public and to promote COVID-19 vaccination in the community, also to continue monitoring the safety of the available vaccines.
Sabrina Tsao, Gilbert T. Chua, Mike YW Kwan, Ian Chi Kei Wong, Kelvin Kai Wang To, Janette Kwok, Bill H Chan, Joshua Sung Chih Wong, Patrick Ip, Yu Lung Lau, Cardiac Involvement related to COVID-19 Infection and Vaccination in Children and Adolescents – Hong Kong’s Perspective Journal of the Hong Kong College of Cardiology 2022;29(2):85-90 https://doi.org/10.55503/2790-6744.1208
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