Hamadan University of Medical Sciences Journal of Research in Health Sciences 2228-7795 21 2 2021 06 30 Pediatric Coronavirus Disease 2019: Why Is It Less Severe and Frequent in Children than Adults? e00519 e00519 10.34172/jrhs.2021.53 EN Zohreh Jadali Journal Article 10.34172/jrhs.2021.53 2021 05 01 There is no abstract.