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. 2020 Jun 19;148:e117. doi: 10.1017/S0950268820001338

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© The Author(s) 2020

This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 1. — (a) Distribution of the observed incubation period of 178 COVID-19 cases. (b) Cumulative distribution function of the incubation period of COVID-19 under the Weibull distribution model. Horizontal bars represent the 95% CIs of the 2.5th, 50th and 97.5th percentiles of the incubation period distribution.