[Introduction]: on the 16th, Huadu district reported a case of asymptomatic covid-19 infected person imported overseas. By 7:00 on the 17th, the dormitory and related activity venues of the infected person had been finally disinfected. 170 close contacts were identified, and the nucleic acid test results were all negative.

Nucleic acid test: 170 secret recipients have negative nucleic acid test results

On October 16, Huadu district of Shanghai reported a case of asymptomatic covid-19 infected people imported from overseas.

The infected person was found in the active investigation of the hotel staff who isolated the entry personnel. As of 7:00 on the 17th, the dormitory and related activity places of the infected person had been finally disinfected. 170 close contacts were identified, and the nucleic acid test results were all negative. 136 close contacts have been identified, and the nucleic acid test results are all negative. A total of 306 people have taken centralized isolation medical observation.

Risk assessment of prevention and control: the scope of activities of infected persons is limited, and the epidemic does not spread.

Zhang Zhoubin, deputy director of the Municipal Center for Disease Control and Prevention, introduced that the infected person was found in time through routine health monitoring in the isolated hotel three days after contacting the new coronavirus positive entry personnel, during which the scope of activities was relatively limited, according to the comprehensive judgment of the current investigation, the epidemic has not spread. Citizens are requested to continue to cooperate with the normalization of prevention and control work and do a good job of personal protection without panic.