Fig. 4

Estimated cumulative incidence of cytomegalovirus (CMV) lung reactivation, extubation or death in COVID-19 and influenza patients, taking into account only the first event that occurred. CMV reactivation refers to patients whose first event was CMV reactivation in lung; extubation refers to patients whose first event was extubation, and death refers to patients whose first event was death. p values for differences between COVID-19 and influenza patients were 0.07 for HSV reactivation, 0.03 for death and 0.49 for extubation