Table 2. Estimated incubation periods for severe acute respiratory syndrome coronavirus 2, stratified by exposure classification, Shenzhen, China, as of February 5, 2020.

Exposure	No. patients	Mean, d	Median, d	Interquartile range, d	Range, d
Contact with confirmed symptomatic case-patient	33	6.1	5	3–8	1–16
Traveled to Wuhan and stayed <1 day	25	6.0	5	3–8	1–15
Total	58	6.0	5	3–8	1–16