In December 2019, the SARS-CoV-2 infection (COVID-19) was initially discovered in China as a new emerging disease. Subsequently, it has spread rapidly among other countries including Iran, and eventually, it was declared by the World Health Organization as a “pandemic” on 11th March 2020. The Health Ministry said that the common symptoms among children might include fever, cough, breathlessness or shortness of breath, fatigue, sore throat, myalgia (muscle pains, aches, pain in ligaments), rhinorrhea (excess drainage, ranging from a clear fluid to thick mucus from the nose), diarrhoea, loss of smell, loss of taste. Meanwhile, few children might also show symptoms of gastrointestinal issues. But having said that, it is also reported that the prevalence of symptoms is lower in children compared to adults. Coronary artery diseases, heart failure, and cardiac arrhythmia have been associated with increased mortality among adults with COVID-19. There is still a lack of knowledge and studies r...