Published on in Vol 8 , No 10 (2020) :October

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/19589, first published .
Using WeChat, a Chinese Social Media App, for Early Detection of the COVID-19 Outbreak in December 2019: Retrospective Study

Using WeChat, a Chinese Social Media App, for Early Detection of the COVID-19 Outbreak in December 2019: Retrospective Study

Using WeChat, a Chinese Social Media App, for Early Detection of the COVID-19 Outbreak in December 2019: Retrospective Study

Wenjun Wang 1 , MD ;   Yikai Wang 1 , MD ;   Xin Zhang 1 , MD ;   Xiaoli Jia 1 , MD ;   Yaping Li 1 , MD ;   Shuangsuo Dang 1 , MD, PhD

1 Second Affiliated Hospital of Xi'an Jiaotong University , Xi'an , CN

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