What is a novel coronavirus (COVID-19 or nCoV)? Q&A from WHO

Jan 16 2020, WHO :What is a novel coronavirus (COVID 19 or nCoV)? Where do they come from? How can I protect myself? Watch this Q&A from the World Health Organization for the answers.
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How to protect yourself against COVID-19

Feb 28,2020, WHO
COVID-19 is an infectious disease caused by a new coronavirus introduced to humans for the first time.