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Epidemiology of COVID-19

Health authorities in China contacted the World Health Organization (WHO) that there was a cluster of viral pneumonia cases of unknown cause in Wuhan, Hubei. By January 30th, the WHO declared the outbreak a Public Health Emergency of International Concern (PHEIC). At the time there were 7,818 cases confirmed globally, affecting 19 countries in five WHO regions.

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Updated 2021-01-27

References


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SARS-CoV-2 (COVID-19)

Biomedical Sciences