Table 1. Probability of Middle Eastern respiratory syndrome coronavirus incubation periods, King Fahd General Hospital, Jeddah, Saudi Arabia, March 2–May 10, 2014*.

Incubation period, d	Day probability	Cumulative probability
1	0.0010	0.0010
2	0.0349	0.0359
3	0.1141	0.1500
4	0.1605	0.3105
5	0.1600	0.4705
6	0.1358	0.6063
7	0.1060	0.7123
8	0.0792	0.7916
9	0.0578	0.8494
10	0.0417	0.8911
11	0.0299	0.9210
12	0.0215	0.9425
13	0.0154	0.9579
14	0.0111	0.9690

*Incubation periods of 1–14 days by using a log-normal distribution with mean 5.2 days and SD ±1.7 days².