9 jan 2020 ano - On Jan 9, the WHO says that the outbreak in Wuhan was caused by a previously unknown type of coronavirus, which is a broad family ranging from the common cold to more serious illnesses like Sars. To date, 59 people have been infected, of whom seven are in a serious condition, according to an official toll.

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https://www.straitstimes.com/asia/east-asia/wuhan-virus-a-timeline-of-how-the-new-coronavirus-developed

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