A case of asymptomatic infection in COVID-19 was found in Zhongshan, Guangdong Province during the investigation of returnees in high-risk areas.
At 4: 00 a.m. on July 22nd, in Zhongshan City, a case of COVID-19’s nucleic acid screening positive was found during the nucleic acid detection of those who returned to Guangdong from middle and high risk areas. It was positive after review by the municipal CDC. Zhongshan immediately launched the emergency response plan, quickly entered the emergency state, and carried out the work of tracing the source, personnel investigation and control, nucleic acid detection, control and disinfection of key places.
The relevant information is as follows:
First, the basic situation of positive cases
Guo Moumou, female, 23 years old, is an employee of a company in Zhongshan Health Base, Torch Development Zone, Zhongshan City, and lives in a single dormitory of the company. On the afternoon of July 21st, I went to Torch Development Zone Hospital for COVID-19 nucleic acid detection. In the early morning of July 22, it was reported that the initial screening result of nucleic acid detection was positive, and it was positive after review by the Municipal Center for Disease Control and Prevention, and it was judged as asymptomatic infection, and it was transported to the designated hospital for isolation treatment in a closed loop.
Second, the trajectory of positive cases
From July 7 to July 14, I had no history of going out in Zhongshan, and mainly worked in the company.
On July 14th, Guo Moumou collected throat swabs in Zhongshan Torch Development Zone, and the result of COVID-19 nucleic acid test was negative.
On the afternoon of July 15th, I flew to Nanjing in zhuhai jinwan airport and arrived at T2 Terminal of Nanjing Lukou Airport at 21:55.
July 16th to 19th at noon, mainly in Nanjing and Wuxi, Jiangsu Province.
On the afternoon of July 19th, I departed from Nanjing Lukou Airport Terminal T1 and returned to zhuhai jinwan airport by flight CZ5846 (taking off at 13:35- arriving at 16:05, seat number 54H). After arriving in zhuhai jinwan airport, transfer to the Airport Express to Zhuhai Station, and take the bullet train (D942, Zhuhai Station 18:15- Zhongshan Station 18:38, carriage 13C) to Zhongshan Station. Transfer to buses K08 and 001 and return to the dormitory at about 20: 00 on the same day.
On July 20th, I worked in the company from 8:30 to 17:30, and moved downstairs in the dormitory after work.
I went to work in the company from 8:30 to 17:30 on July 21st. According to "Warm Tips on Health Management of People Coming (Returning) to Zhongshan in Nanjing" issued by Zhongshan City, I went to the Development Zone Hospital for nucleic acid testing after work, and immediately returned to the dormitory by network car after sampling.
Closed-loop transport to designated treatment hospital in the early morning of July 22.
Iii. Emergency response
On the morning of July 22, Zhongshan City carried out nucleic acid detection and comprehensive disinfection of the environment and personnel in the factory and dormitory areas where the infected people were located.
Up to now, 435 close contacts and key people have been identified, and control areas have been delineated according to Guo’s activity trajectory, and control measures have been implemented.
It is planned to start the whole city’s nucleic acid screening. Please actively cooperate with the arrangement of the government and the community.
The Office of COVID-19 Epidemic Prevention and Control Headquarters in Zhongshan City appeals to the general public, those who took CZ5846 flight from Nanjing to Zhuhai on July 19th, carriage 01 of train D942 from Zhuhai to Guangzhou, and those who took buses K08 and 001 at the same time with Guo Moumou, please report to the community immediately and conduct nucleic acid detection at the nearest COVID-19 nucleic acid detection point.
At the same time, please pay attention to the official authority release, do not believe in rumors, do not spread rumors, further raise awareness of prevention, and do a good job in personal hygiene protection. Don’t leave the city, go out of the province or go to middle and high risk areas if it is unnecessary in the near future. If there are returnees from high-risk areas, please do a good job in health monitoring and management according to the announcement and guidance of COVID-19 Prevention and Control Command Office in time.