This document outlines a systematic review to investigate the clinical characteristics of COVID-19 in children. It will collect and analyze children's clinical, laboratory, and radiological data related to COVID-19 symptoms like fever and cough. Common radiological findings like ground glass opacity and laboratory findings including lymphopenia, C-reactive protein, and D-dimer will also be analyzed. The review aims to understand the clinical presentation and severity of COVID-19 in the pediatric population.