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When the first Covid-19 patient is discovered in Beijing, the municipal CDC has 24 hours to find all thousands contacts of this person.
First Air Date : Sep 29, 2020
Last Air date : Oct 08, 2020
Episode : 20 Episode
Season : 1 Season
Runtime: 44:14 minutes
Studio: Jiangsu Television, Guangdong Television, Dragon TV, Zhejiang Television, Youku, Beijing Television, Hunan Television, iQiyi, Tencent Video
Country: China
Cast:
