On the afternoon of July 7, at the 144th Beijing New Coronary Pneumonia Epidemic Prevention and Control Work Press Conference, Pang Xinghuo, deputy director of the Beijing Center for Disease Control and Prevention, introduced the situation of Beijing's new coronary pneumonia epidemic. From 0:00 to 24:00 on July 6, there were no new confirmed or suspected cases reported in Beijing, and for the first time since June 11, there has been no increase in new cases.

　　Pang Xinghuo said that on June 11, Beijing reported a confirmed case of new coronary pneumonia. On the same day, professionals from the two-level disease control center in the urban area entered the ward for a detailed epidemiological investigation of the case, and used information and other means to help patients review the 14 days before the onset of activities and contact personnel. 38 Close contacts and all suspicious exposure sites. According to the investigation results, the disease control personnel quickly carried out environmental sampling and testing of each place where the case had visited, and investigated and managed each close contact person.

　　In the early morning of June 12, it was found that the case visited the nucleic acid sample of the environmental sample of the comprehensive trading floor of the Xinfadi Market. At the same time, a second confirmed case was reported, and epidemiological investigations revealed that the patient had also visited the Xinfadi Comprehensive Trading Hall before the onset of illness. With the sensitivity of the professionals and the experience of epidemiological investigations, it was quickly determined that the emerging market may be a risk factor for the epidemic.

　　On June 12, the CDC professionals conducted a comprehensive sampling test on the environment and practitioners in the new market. On the same day, 40 environmental specimens were found to be positive for nucleic acid, and 45 throat swabs were positive from the environment and practitioners on the negative floor of the trading floor of the Xinfadi market. At the same time, the newly confirmed cases were investigated on June 12 and found Three cases were in the market of Xinfadi, and two cases had visited the market, further verifying that the first floor of the comprehensive trading hall is the common risk of the epidemic. This process took less than 22 hours. (Edit Gao Yuhui)

Editor in charge: [Liu Xian]