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COVID-19 Disease 

COVID-19 Disease
Chapter:
COVID-19 Disease
Author(s):

Christopher P. Conlon

, and John D. Firth

DOI:
10.1093/med/9780198746690.003.0650
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date: 28 February 2021

A novel coronavirus, Severe Acute Respiratory Syndrome Coronavirus -2 (SARS-CoV-2), first appeared in the city of Wuhan in Central China in December 2019. Initial cases appeared to be centred on a so-called wet market, but the outbreak spread rapidly. The World Health Organisation (WHO) declared a Pandemic Health Emergency of International Concern on 30 January, 2020. At the time of writing, there have been over 11 million cases globally and more than 500,000 deaths.

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