Author: Shujuan Ma; Jiayue Zhang; Minyan Zeng; Qingping Yun; Wei Guo; Yixiang Zheng; Shi Zhao; Maggie H Wang; Zuyao Yang
Title: Epidemiological parameters of coronavirus disease 2019: a pooled analysis of publicly reported individual data of 1155 cases from seven countries Document date: 2020_3_24
ID: 56zhxd6e_46
Snippet: The time point of exposure was estimated from 233 pairs of infector-infectee and ranged from −9 to 13 days (Table 2) , with a median of 0 day. It was smaller than 0 (mean: −3.11 days) for 102 (43.78%) pairs, meaning that the transmission occurred before the infectors showed symptoms. Assuming a normal distribution (Figure 2(D) ), the mean was −0.19 days (95% CI: −0.62, 0.25) and standard deviation 3.32 days (95% CI: 2.97, 3.68)......
Document: The time point of exposure was estimated from 233 pairs of infector-infectee and ranged from −9 to 13 days (Table 2) , with a median of 0 day. It was smaller than 0 (mean: −3.11 days) for 102 (43.78%) pairs, meaning that the transmission occurred before the infectors showed symptoms. Assuming a normal distribution (Figure 2(D) ), the mean was −0.19 days (95% CI: −0.62, 0.25) and standard deviation 3.32 days (95% CI: 2.97, 3.68).
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