Sequencing traceability analysis of asymptomatic infected persons in Huadu, Guangzhou was completed, confirming that the infection came from an imported case in an isolated hotel

　　The traceability analysis was completed and confirmed that the source of infection was from a foreign national who entered abroad

　　On October 18th, the disease control department has completed the tracing analysis of the gene sequence of Wang, an asymptomatic infected person in Huadu. From the perspective of evolutionary relationship, the gene sequence of the virus infected by the asymptomatic infected person in Guangzhou Huadu and Wang’s work isolation hotel The virus gene sequences of the imported cases found are highly homologous, and the main mutation sites are completely consistent.

This result is completely consistent with the results of previous epidemiological investigations.

Therefore, it can be fully confirmed that Wang's infection originated from an imported case in an isolated hotel.

　　The investigation in key areas has ended, with a total of 148,295 people investigated, and the nucleic acid test results are all negative

　　Based on the completion of personnel inspections in key areas on October 17th, Guangzhou City implemented voluntary inspections on adjacent areas.

As of 7:00 on October 18th, a total of 148,295 people who were willing to do all the inspections had been completed, and the nucleic acid test results were all negative.

The detection results of the outside environment involved in Wang's activity track were also negative.

In addition, the close contacts in the centralized isolation are currently in good physical condition, and the disease control department will continue to do a good job of medical observation.

　　Citizens still need to take good personal protection, don't be careless, and don't need to panic.

　　Under the joint disposal of the province, city, and district, the on-site disposal of the epidemic has been completed, the epidemic has not spread, and good results have been achieved in prevention and control, and citizens need not panic.

However, it is also reminded again that the prevention and control of the new crown epidemic has become normal, and citizens still need to take necessary personal protection and cooperate with corresponding prevention and control measures.