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. 2019 Feb 21;19:219. doi: 10.1186/s12889-019-6544-4

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© The Author(s). 2019

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 3 — Trends in prevalence and infection rate in the total population and the number of infectious patients over time. Legend: a Prevalence in the total population over time; the solid black line indicates the mean prevalence under the gamma distribution, the dashed black line indicates the mean prevalence under the Weibull distribution and the log-normal distribution, and the blue area indicates the 95% PI of prevalence under the gamma distribution. b Infection rate in the total population over time. c The number of infectious patients over time