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[Introduction]: on December 20, a new case of local asymptomatic infection was added in Nansha, Shanghai. Its activity track in the past 14 days is mainly in the workplace and home.

According to the news of Shanghai Municipal Health Committee, from 0:00 to 24:00 on December 20, 2020, 4 new asymptomatic infected persons were added, of which 1 was an overseas imported asymptomatic infected person.

Add an overseas input associated asymptomatic infected person:

Female, 31 years old, native of Shanghai, resident in Dongyong town, Nansha district, Shanghai, isolates hotel staff, and has been active in the workplace and at home for nearly 14 days. On December 19, the staff of the inbound isolation hotel in Nansha district regularly conducted a new coronavirus nucleic acid test, and the nucleic acid test was positive. On December 20, Shanghai CDC checked positive, that is, transferred to the Eighth People’s Hospital of Shanghai for isolation treatment, according to the preliminary judgment of the expert group, it is an overseas imported asymptomatic infected person.

As of 21:00 on the 20th, the relevant activity sites of the infected person had been finally disinfected, and the nucleic acid test results of 131 people in close contact were all negative, including 47 staff members of the entry isolation hotel, three infected families. At the same time, nucleic acid tests have been carried out on key areas such as Tung Chung neighborhood committee, with a total of 52661 people sampled, basically covering the working hotel location, residence and surrounding areas of infected persons.

Workplace: Pulin hotel, which is an inbound isolation hotel.