Fig. 1

Four different patients with positive COVID-19. a 72-year male was complaining of fever and cough. Initial chest X-ray showed bilateral peripheral mid and lower zonal air space consolidation opacities (arrows). The severity score was 2 for each lung, so TSS was 4. b 44-year male was complaining of SOB, cough, and fever. Initial chest X-ray showed bilateral peripheral zonal air space consolidation opacities along the periphery of both lungs (arrows). The severity score was 2 for each lung so, TSS was 4. c 63-year male was complaining of cough and fever. Initial chest X-ray showed right peripheral mid and lower zonal air space consolidation opacities (arrows), smaller patches of consolidation is seen on the side (arrows), the severity score for the right lung was 2 and for the left lung was 1, so TSS was 3. d 68-year female patient was complaining of SOB and cough. Initial chest X-ray showed bilateral air space consolidation opacities (arrows) of peripheral midzonal distribution in the right lung and neither peripheral nor perihilar mid and lower zonal distribution in the left lung (arrows). The severity score for the right lung was 1 and for the left lung was 2, so the total severity score was 3