We analyzed data for 170 patients in South Korea who had laboratory-confirmed infection with Middle East respiratory syndrome coronavirus. A longer incubation period was associated with a reduction in the risk for death (adjusted odds ratio/1-day increase in incubation period 0.83, 95% credibility interval 0.68-1.03).
Keywords: MERS-CoV; Middle East respiratory syndrome; Middle East respiratory syndrome coronavirus; South Korea; coronavirus; illness; incubation period; infection; severity; viruses.