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31 déc. 2019 - Dec 31, Wuhan Health Commission informs the public about 27 cases of a new pneumonia with unknown causes. It says "no clear evidence of human-to-human transmission".

Description:

Source: http://wjw.wuhan.gov.cn/front/web/showDetail/2019123108989

Ajouté au bande de temps:

Covid-19 timeline - early development

ByChenchen Zhang
29 mars 2020
1
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9849

Date:

31 déc. 2019
Maintenaint
~ Il y a 5 ans et 9 mois
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