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. 2021 Jan 25;4:126. doi: 10.1038/s42003-021-01677-2

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© The Author(s) 2021, corrected publication 2021

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as 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 images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 4 — The lowest percentage of Wuhan migrants received by any of the 100 cities was 0.02%. This figure is based on the massive positioning service data on the Baidu Map platform, available on https://qianxi.baidu.com/³⁸. Several hotspot destinations of the Wuhan migrants are labelled in this figure. Lines with gradient colours represent the distance from the origin (Wuhan, shown in red) to the 100 cities.