PEDIATRICS INTERNATIONAL, vol.63, no.7, pp.797-805, 2021 (SCI-Expanded)
Background Severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) has caused a serious epidemic in our country and all over the world since December 2019 and has become a global health problem. The disease caused by the SARS-CoV-2 virus has been named as coronavirus disease 19 (COVID-19).