Table 2. Percentiles of estimated incubation period for travellers infected with 2019 novel coronavirus (2019-nCoV) in Wuhan, China, for different parametric forms of the incubation period distribution, data 20–28 January 2020.

Percentiles	Incubation period distribution (days)
	Weibull		Gamma		Lognormal
	Estimatea	95% CI	Estimatea	95% CI	Estimatea	95% CI
2.5th	2.1	1.3–3.0	2.4	1.5–3.2	2.4	1.6–3.1
5th	2.7	1.8–3.5	2.9	2.0–3.6	2.8	2.0–3.5
50th	6.4	5.5–7.5	6.1	5.3–7.3	6.1	5.2–7.4
95th	10.3	8.6–14.1	11.3	9.1–15.7	13.3	9.9–20.5
97.5th	11.1	9.1–15.5	12.5	9.9–17.9	15.5	11.0–25.2
99th	11.9	9.7–17.2	14.1	10.9–20.6	18.5	12.6–32.2

CI: credible interval.

^a Posterior median.