Clinical features • Smoker (7%)
• Preexisting COPD (2%)
• Fever 98%
• Dry cough (76%)
• Dyspnea (55%), mean 8 days after onset
• Sputum (28%)
• Hemoptysis (5%)
• ARDS (29%), mean 9 days after onset
• ↑RR >24/min (29%) • Preexisting COPD (2.9%)
• Fever 98.6%
• Dry cough (59.4)
• Sputum (26.8%)
• Dyspnea, mean 5 days after onset
• ARDS (19.6%), mean 8 days after onset • Preexisting chronic pulmonary disease (1.1%)
• Fever (43.8% on admission, 88.7% during hospitalization)
• Cough (67.8%)
• Sputum (33.7%)
• Sore throat (13.9%)
• Nasal congestion (4.8%)
• Hemoptysis (0.9%)
• ARDS (3.4%)
• 1.4% case fatality rate
• 4 days median incubation period • Fever
• Cough
• ARDS requiring mechanical ventilation within 1 week