Fig. 6From: COVID-19 versus H1N1: challenges in radiological diagnosis—comparative study on 130 patients using chest HRCTA schematic chart summarizing the results of the study: Presence of airway involvement in non-severe cases without or without parenchymal involvement favors the possibility of H1N1 over COVID-19. Otherwise, both possibilities would be equal if parenchymal involvement is noted alone in mild or severe casesBack to article page