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[Introduction]: on December 20, 202020, Dongyong, Nansha district, Shanghai sent a case of asymptomatic covid-19 infection to the staff of inbound hotels during routine investigation. The asymptomatic case was isolated from the hotel workers.

New asymptomatic infected persons:

The preliminary prediction is that foreign input is associated with asymptomatic infected persons. On December 20, 202020, in the routine monitoring of the staff of the inbound isolation hotel in Nansha district, Shanghai, one case of nucleic acid positive for covid-19 was found, which was a handyman in the isolation hotel.

Official announcement details:

Wu Mou, female, 31 years old, the entry staff isolated the staff of the hotel Pulin hotel. The expert group determined that it was a asymptomatic covid-19 infection. On November 28 and December 4 and 11, Wu’s three nucleic acid tests were all negative.

After receiving the report, the new coronavirus pneumonia prevention and control headquarters in Nansha district immediately launched the working mechanism of emergency response to the new coronavirus pneumonia epidemic, organized and carried out a comprehensive and detailed epidemiological investigation, and determined that Dongyong residential committee and others were the key investigation scope, quickly organize and carry out nucleic acid testing and screening for key populations.