At the beginning of the new year, the domestic epidemic situation was sporadic at many points, and the National Health Commission announced that on January 3, there were 108 local cases and 21 cases of local asymptomatic infection, involving 4 provinces (cities) and 7 places. Where did the source of the epidemic come from everywhere?
Residents take nucleic acid sampling in Xinmin Community in Xi'an's Xincheng District on January 4. Photo by Tao Ming, Xinhua News Agency
Xi'an, Shaanxi: Highly homologous with imported cases
On December 21, 2021, Liu Feng, director of the Shaanxi Provincial Center for Disease Control and Prevention, introduced at the press conference on the prevention and control of the new crown pneumonia epidemic in Shaanxi Province that the Shaanxi Provincial Center for Disease Control and Prevention conducted whole genome sequencing of 36 indigenous case specimens, all of which are Delta variants, all of which are highly homologous to the imported cases found in passengers on Pakistan's inbound flight PK854 (Islamabad-Xi'an) on December 4.
Yan'an, Shaanxi: The first confirmed case shared a meal with the confirmed case in Xi'an
On December 16, Yan'an City, Shaanxi Province, held a press conference on the joint prevention and control of the new crown epidemic, and Hu Shengfan, secretary of the Party Committee and director of the Yan'an Municipal Health Commission, introduced that on December 16, Yan'an reported the first confirmed case, and the patient had dined with The confirmed case 2 Yang in Xi'an city on the afternoon of December 11.
Ningbo, Zhejiang: Similar to the genes of recent cases found in Vietnam, the possibility of "material-to-human transmission" is not excluded
On January 3, Ningbo City, Zhejiang Province, held a press conference on the prevention and control of the new crown pneumonia epidemic, and Wang Renyuan, deputy secretary general of the Ningbo Municipal Government, director of the General Office, and executive deputy director of the Municipal Epidemic Prevention and Control Office, said at the press conference that the gene sequencing results of the first case specimens were the Delta variant of the new crown pneumonia virus (AY.57 evolutionary branch), which has a high homology with the genome sequence of the main epidemic strain in Vietnam recently. The source of the virus is currently unknown. According to expert analysis and judgment, the possibility of "material transmission to people" is not excluded.
Zhoukou, Henan: Returnees from the epidemic area
On December 22, the New Crown Pneumonia Epidemic Prevention and Control Headquarters of Shenqiu County, Zhoukou City, Henan Province, issued an announcement that Shenqiu County found 4 positive cases in the nucleic acid test, including 2 confirmed patients and 2 asymptomatic infected people, who belonged to Xi'an self-driving back to Shen.
On January 4, the Zhoukou City New Crown Pneumonia Epidemic Prevention and Control Headquarters reported that on January 3, 2 new cases of positive nucleic acid screening were found in Huaiyang District, Zhoukou City. On January 3, 2022, he was centrally isolated at 18:30 and tested positive for nucleic acid.
Luoyang, Henan: 2 people returned home from outside the province or coincided with the Zhoukou case in time and space
As of 0:00 on January 4, Xin'an County has found a total of 2 confirmed patients and 8 asymptomatic infected patients. Among them, 2 returned from Sichuan and rested in the Lingbao service area on December 19, or coincided with the Zhoukou case in space. Previously, the four positive cases in Zhoukou drove back to Shenqiu from Xi'an on December 18, stopping at the Lingbao service area of Sanmenxia on the way. At present, the results of the traceability of the epidemic in Luoyang are to be reported.
Shanghai: People from other places who come to Shanghai
On January 4, the Shanghai Municipal Health Commission announced that on January 3, 2022, there were 2 new cases of local asymptomatic infection in Shanghai. 2 people are people from other places to Shanghai, after receiving the field investigation, the 2 people are isolated and controlled, and the nucleic acid test results of the municipal and district CDC are positive.
