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. 2020 Dec 2;8:609974. doi: 10.3389/fpubh.2020.609974

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Copyright © 2020 Sun, He, Huang, Chen, Zhang, Zhao, Zhao, Yang, Yang, Xiong, Karuppiah, Kumar, He and Xiong.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Time series chart of variables related to new daily cases in Yunnan Province. (A) Shows the number of daily inbound travelers from Hubei. (B) Shows the number of suspected cases from inbound travelers from Hubei and new daily cases.