Blood:
decreased oxygen saturation: 14(9.4%), leukopenia: 33 (24.2%), lymphopenia: 53 (35.6%), low platelets: 20 (13.4%), elevated CRP: 82 (55.0%), ALT/AST/CK and D‐dimer: less common.
CT: most involved lung segments: 6 and, GGO: 287 segments, mixed opacity: 637 segments, consolidation: 170 segments, lesions: more in the peripheral lung with a patchy form, normal CT on admission: N=17, negative CT: N=12, no significant difference between patients with or without exposure history