• 3 patients with lymphopenia
• 1 patient with thrombocytopenia
• 6 patients with elevated alanine aminotransferase
• 11 patients with increased C-reactive protein levels

Chest CT Results ON ADMISSION:

• focal ground-glass opacities in 11 asymptomatic individuals (11/37, 29.7%)
• stripe shadows and/or diffuse consolidation in ten individuals (10/37, 27.0%)
• 16 individuals (16/37, 43.2%) had no abnormalities

Five individuals developed focal ground-glass opacities or stripe shadows on chest CT within 5 d of hospital admission.

Abnormal radiological findings confined to one lung were identified in 66.7% (14/21) of the asymptomatic individuals, whereas 33.3% (7/21) had abnormalities in both lungs.