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. 2020 Dec 7;6(4):e24125. doi: 10.2196/24125

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©Qing Xu, Ziyi Shen, Neal Shah, Raphael Cuomo, Mingxiang Cai, Matthew Brown, Jiawei Li, Tim Mackey. Originally published in JMIR Public Health and Surveillance (http://publichealth.jmir.org), 07.12.2020.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in JMIR Public Health and Surveillance, is properly cited. The complete bibliographic information, a link to the original publication on http://publichealth.jmir.org, as well as this copyright and license information must be included.

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The number of Weibo posts related to the COVID-19 outbreak by information source category and with a timeline of events (December 31, 2019, to January 20, 2020). CDC: Center for Disease Control and Prevention; NCIP: novel coronavirus-infected pneumonia; NHC: National Health Commission; PCR: polymerase chain reaction; WHC: Wuhan Health Commission; WHO: World Health Organization.