Fig. 1.

Chest radiographs of children with coronavirus disease 2019 (COVID-19). a Posteroanterior chest radiograph in a 15-year-old boy with COVID-19 demonstrates a unilateral ground glass opacity (arrow) in the left lung. Categorization: indeterminate (based on a unilateral opacity). Severity score: 1. b Anteroposterior chest radiograph in a 17-year-old boy with COVID-19 demonstrates bilateral multifocal consolidative and ground glass opacities (arrows). Categorization: indeterminate (based on multifocal opacities without a specific distribution). Severity score: 5