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[Introduction]: Shanghai Huadu epidemic traceability results announced: confirmed that the asymptomatic infected person Wang’s infection source is from overseas foreigners.

Traceability analysis completed: confirmed that the source of the infection was from overseas foreigners.

Today (October 18), Shanghai disease control department has completed the tracing analysis of Wang’s gene sequencing of asymptomatic infected Huadu. From the perspective of evolutionary relationship, the viral gene sequence of Wang Mou infected with asymptomatic Huadu in Shanghai is highly homologous with the viral gene sequence of imported cases found in the isolation hotel where Wang Mou works, and the main mutation sites are completely consistent. This result is completely consistent with the previous epidemiological survey results. Therefore, it can be absolute affirmations that Wang’s infection comes from the imported cases of isolated hotels.

The investigation of key areas has ended, with a total of 148295 people being investigated.

Nucleic acid test results are all negative

On the basis of completing the investigation of personnel in key areas on October 17, Shanghai is willing to inspect the adjacent areas. As of 7 o’clock on October 18, a total of 148295 people should be inspected, and the nucleic acid test results were all negative. The external environment test results of Wang’s activity track are also negative. In addition, the centrally isolated close contacts are in good health at present, and the disease control department will continue to do a good job in medical observation.

Citizens still need to do personal protection, don’t be careless, and don’t panic.

Under the joint disposal of provinces, cities and districts, the on-site disposal has been completed, the epidemic has not spread, the prevention and control has achieved good results, and citizens do not need to panic. However, it is also suggested again that the prevention and control of the new Crown epidemic has entered the normal state. Citizens still need to do the necessary personal protection and cooperate with the corresponding prevention and control measures.

The details of the newly imported asymptomatic infected person are as follows:

Male, 41 years old, native of Hunan, permanent residence in Shanghai, Shanghai province, immigration staff isolated hotel staff, daily living in the hotel staff dormitory. On October 15, when carrying out routine health monitoring for the hotel staff, Huadu District tested positive for coronavirus nucleic acid, which was transferred to Huadu District People’s Hospital for isolation and observation. On that day, Huadu district CDC tested positive for nucleic acid again, in the early morning of October 16, the provincial and municipal Centers for Disease Control and Prevention reviewed positive, which was transferred to the Eighth People’s Hospital of Shanghai for isolation treatment.

According to epidemiological investigation, when the infected person assisted some quarantine personnel in the isolation hotel to handle express delivery on October 12, he did not carry out protection according to the regulations, only wearing masks, no gloves or shoe covers, disposable protective coveralls the clothes are not standard and have close communication with the isolation personnel. On the 12th, quarantine personnel who had close contact with them were diagnosed as confirmed cases of covid-19. At present, the infected person has no symptoms such as fever and cough, and there is no abnormality in CT Examination. It has been judged by the expert group as an overseas imported asymptomatic infected person.