Using WeChat, a Chinese Social Media App, for Early Detection of the COVID-19 Outbreak in December 2019: Retrospective Study
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...
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| Main Authors: | , , , , , |
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| Format: | Book |
| Published: |
JMIR Publications,
2020-10-01T00:00:00Z.
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| Online Access: | Connect to this object online. |
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