From May 23rd to July 24th, 2022, there were 2 new cases of asymptomatic infection in COVID-19, Keqiao District, among which case 4 was a close contact of the published case 1 Zhang; Case 5 Sun Moumou is a related person of published case 3 Sun Moumou.
On May 23rd, 2022, Keqiao District carried out regional COVID-19 nucleic acid detection in Ke Qiao, Ke Yan, Huashe and Qixian Street. With the active cooperation of the general public, * * * completed the nucleic acid detection of 437,538 people, and found the positive infected person 1 person, which was Sun Moumou.
At 0: 33 on May 23, 2022, in the process of screening the first positive infection case in Keqiao District, a positive infection case was found, which was Zhang's wife Hu Moumou.
At 23: 00 on May 22, 2022, after receiving the report from Keqiao District CDC, the District CDC was willing to find the case of 1 case with positive initial screening, and the District Joint Prevention and Control Command immediately launched an emergency response to conduct emergency investigation and control on the close contacts and sub-close contacts of the infected person Zhang. After investigation, Zhang is a professional decorator and lives in Longjing Jiayuan, Qi Xian Street.