Initial CXR abnormal: 71%• One lung zone: 49%
• Multizonal: 21%
Chest CT abnormal (55% of 33)• One lobe: 55%
• Multilobar: 46%
• Focal ground-glass opacification: 24%
• Consolidation: 36%
• Both: 39%
Radiologic worsening in 80% at mean 7.4 days