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. 2020 Oct 2;5(1):327–341. doi: 10.20411/pai.v5i1.392

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© Pathogens and Immunity 2020

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Figure 1. — Clinical assessment of pneumonia severity based on computed tomography (CT) scores. Scoring method: Mild (CT-1)—no more than three ground-glass opacities of <3 cm maximum diameter. Moderate (CT-2)—more than three ground-glass opacities; less than 50% involvement by visual assessment. Medium-heavy (CT-3)—ground-glass opacities and pulmonary consolidation; 50-70% involvement by visual assessment. Severe (CT-4)—diffuse ground-glass opacities with or without consolidation; more than 75% involvement by visual assessment.