less than 18 years old unable to understand instructions stage 2 & 3 covid-19 respiratory symptoms or fever on admission abnormal chest radiograph or computed tomography (ct) findings on admission

less than 18 years old unable to understand instructions stage 2 & 3 covid-19 respiratory symptoms or fever on admission abnormal chest radiograph or computed tomography (ct) findings on admission

1. less than 18 years old 2. unable to understand instructions 3. stage 2 & 3 covid-19 4. respiratory symptoms or fever on admission 5. abnormal chest radiograph or computed tomography (ct) findings on admission

1. less than 18 years old 2. unable to understand instructions 3. stage 2 & 3 covid-19 4. respiratory symptoms or fever on admission 5. abnormal chest radiograph or computed tomography (ct) findings on admission