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

• 主要な著者: Wang, Wenjun (著者), Wang, Yikai (著者), Zhang, Xin (著者), Jia, Xiaoli (著者), Li, Yaping (著者), Dang, Shuangsuo (著者)
• フォーマット: 図書
• 出版事項: JMIR Publications, 2020-10-01T00:00:00Z.
• 主題: article
• オンライン･アクセス: Connect to this object online.

BackgroundA novel coronavirus, SARS-CoV-2, was identified in December 2019, when the first cases were reported in Wuhan, China. The once-localized outbreak has since been declared a pandemic. As of April 24, 2020, there have been 2.7 million confirmed cases and nearly 200,000 deaths. Early warning s...