Traceability of positive personnel flow in Nehe City, Heilongjiang: contact with environments and items contaminated by the new crown virus

On December 14, Qiqihar City, Heilongjiang Province, held the 13th press conference on epidemic prevention and control to introduce the latest epidemic prevention and control situation.

The flow of 5 nucleic acid positive personnel in Nehe City can be traced back to the source: contact with the environment and items contaminated by the new crown virus

Guo Chunjie, director of the Institute of Infectious Disease Prevention and Control of qiqihar Cd-operative Center, introduced that on the afternoon of December 12, Nehe City found that 5 nucleic acid samples were positive in the active nucleic acid testing of key personnel, and after preliminary circulation, 5 nucleic acid positive personnel were epidemiologically associated with the asymptomatic infected people reported on November 28, and all of them were tested positive after multiple negative nucleic acid tests.

This outbreak is characterized by a long incubation period and a strong insidiousness of infection. After tracing the source, the source of infection was preliminarily judged to be contact with the environment and items contaminated by the new crown virus, causing accidental infection, and the specific source of infection was further verified after the genetic sequencing results were released.

The results of the fifth round of nucleic acid testing in Nehe City were negative

Li Qingchun, deputy commander of the Nehe City Epidemic Prevention and Control Command, introduced that on the evening of the 12th, Nehe City carried out nucleic acid testing for all employees in Changfa Town overnight, of which 951 people were single-harvested in the sealing and control area of the construction village, and 5822 people were mixed in the control area, a total of 6773 people, and the results were negative.

At 7 o'clock on the 13th, Nehe City immediately carried out the fifth round of nucleic acid testing for all employees, and a total of 283506 people were collected, and the results were negative.