China News Service, Taiyuan, August 20 (Reporter Li Tingyao Fan Lifang) Since August 17, Shanxi Jincheng, Yuncheng, Taiyuan, Yangquan, Jinzhong City have successively reported that many people who entered Jincheng and returned from outside the province have been screened out. Nucleic acid test positive people , and there are multiple infection chains.

　　On the afternoon of August 20, the Information Office of the Shanxi Provincial Government held a press conference to report the recent epidemic prevention and control work in the province.

Z22 train "8.17" related epidemic situation

　　Since August 17, the Shanxi Provincial Prevention and Control Office has successively received reports from three cities, Jincheng, Yuncheng, and Taiyuan, that people who have tested positive for the new coronavirus nucleic acid were found in the drop-off of the Z22 train that stopped in the province.

　　After investigation and verification, the train stopped at Taiyuan Station at 3:50 on August 17. There were 78 passengers who got off at Taiyuan Station and whose destination was Shanxi Province, including 38 in Taiyuan, 14 in Jinzhong and 5 in Datong. , 5 in Changzhi, 5 in Jincheng, 5 in Luliang, 1 in Xinzhou, 4 in Shuozhou, and 1 in Yuncheng.

In accordance with the principle of strictness and strictness, centralized isolation medical observation has been implemented in all cases.

Up to now, 7 of the 78 people in centralized isolation have positive nucleic acid test results, including 5 in Jincheng, 1 in Yuncheng, and 1 in Taiyuan. Gene sequencing shows that they belong to the evolutionary branch of the Omicron variant strain BA.2.76.

After consultation with provincial and municipal experts, 6 were confirmed cases with mild symptoms, and 1 was an asymptomatic infection.

　　Infected person 1, currently living in the urban area of ​​Jincheng, took the Z22 train from Lhasa on August 15, arrived at Taiyuan Railway Station at 3:50 on August 17, and took the D3369 train from Taiyuan South Station to Jincheng at 9:27.

　　Infected person 2, currently living in the urban area of ​​Jincheng, was in the same carriage with infected person 1, and returned to Jincheng by train D3369 from Taiyuan South Station at 9:27.

　　Infected Person 3, currently living in Zezhou County, Jincheng City, was in the same carriage as Infected Person 1, and took the D3369 train from Taiyuan South Station to Jincheng at 9:27.

　　Infected person 4, who currently lives in Zezhou County, Jincheng City, and infected person 3 are people traveling from Lhasa, Tibet. They are in the same carriage with infected person 1. They take the D3369 train from Taiyuan South Station to Jincheng at 9:27.

　　Infected Person 5, the son of Infected Person 2, was in the same carriage as Infected Person 1, and took the D3369 train from Taiyuan South Station to Jincheng at 9:27.

　　Infected person 6, now living in Xinjiang County, Yuncheng City, was in the same carriage as infected person 1, and took the K609 train from Taiyuan South Station at 8:5 on August 17 to return to Xinjiang County.

　　Infected person 7, currently living in Xiaodian District, Taiyuan City, in the same carriage as infected person 1, took the Z22 train at Xining Station on August 16, and arrived at Taiyuan Railway Station at 3:50 on August 17.

　　As of 12:00 on August 20, Shanxi Province had investigated a total of 556 close contacts and 1,242 sub-close contacts of the above-mentioned 7 people. All of them have implemented centralized isolation medical observation, and the nucleic acid test results were all negative.

　　After the outbreak, Jincheng, Yuncheng, and Taiyuan quickly activated the emergency response mechanism, carried out in-depth and meticulous flow adjustment, and managed and controlled potential risks in the shortest time, so that risk personnel should be separated. No second-generation cases have been found.

In order to eliminate the risk of hidden transmission to the greatest extent, the Shanxi Provincial Prevention and Control Office organized 11 cities in the province overnight to carry out a 7-day retrospective investigation and nucleic acid test for people with a history of living in Tibet.

Up to now, a total of 1,181 people from Tibet who entered and returned to Jin have been investigated in the province, and all personnel have implemented classified control measures. Except for the 7 positive people found on the Z22 train, the nucleic acid test results of the rest of the people were negative.

"8.18" imported epidemic situation in Yu County, Yangquan

　　On August 18, Yangquan Yu County found a 20:1 nucleic acid mixed test positive in the nucleic acid sampling at the first landing point. After further review, it was found that 5 people from Dalian who were from Nagqu, Tibet, returned from a self-driving tour and stopped in Shanxi Province.

At 19:35 on the 17th, the 5 people arrived at the Yuxian South Expressway by self-driving. After completing the landing nucleic acid sampling, they checked into the Thank You Hotel in Xiushui Town. At 21:55, 1 person walked to the last chicken willow shop in the simple room in the middle of the pedestrian street for shopping. At 8:00 on the 18th, 5 people left Yu County and returned to Dalian.

After the outbreak, Yangquan quickly set up a special class for disposal work, quickly sent letters of assistance, checked and controlled risk personnel, delineated risk areas in a timely manner, and carried out epidemic disposal work in an orderly manner.

After investigation, there are 34 people in close contact with 5 positive cases and 201 people in close contact, all of which have implemented isolation control measures.

　　At 2:10 on August 20, a resident of the same hotel was initially screened positive for nucleic acid testing during centralized isolation (Ct value: N gene was 25.17, O gene was 24.86).

The person arrived in Yu County by car on August 16, and stayed at the Thank You Hotel in Xiushui Town on August 17. Two consecutive nucleic acid tests were performed on August 18 and 19, both of which were negative. From the 19th, centralized isolation and medical observation were implemented.

　　After receiving the positive report of the initial screening, Yangquan City immediately conducted an in-depth investigation and epidemiological investigation on the activity trajectory of the infected person since August 16, and implemented targeted control measures according to the investigation results.

Since 12:00 on August 20, Yu County, Yangquan City has implemented static management throughout the entire area, implemented strict traffic control, and did not go out unless necessary, further implemented risk investigation, and carried out nucleic acid testing for all employees in communities (villages).

"8.19" Jinzhong Pingyao nucleic acid mixed test positive situation

　　At 21:00 on August 19, the People's Hospital of Pingyao County, Jinzhong City reported that two tubes of 20:1 nucleic acid mixed test collected on August 19 were positive.

The 2-tube mixed samples were collected at the nucleic acid collection point of the original No. 6 primary school in the ancient city of Pingyao around 9:00 on August 19. Among the 40 people involved, 14 people are currently in Pingyao (10 people are resident in Pingyao, 4 people are from other provinces), 26 people People have left Pingyao (6 in Jinzhou, Liaoning, 5 in Wenxi, Yuncheng, 4 in Xuchang, Henan, 1 in Pingcheng District, Datong, 1 in Linfen, 5 in Wutai Mountain, 3 in Wanberlin District, Taiyuan, 1 people in Shanyin County, Shuozhou).

　　After receiving the report, Pingyao County assigned red code management to 40 mixed inspection personnel immediately, and implemented centralized isolation and simultaneous antigen and nucleic acid testing for 14 people in Pingyao. The results were all negative.

A letter of assistance was sent to the 26 people who left Pingyao as soon as possible. According to the feedback from the assistance, 4 of the 6 people who returned to Jinzhou, Liaoning Province, had positive nucleic acid tests, and the remaining 22 were negative.

Since 0:00 a.m. on August 20, Pingyao County has implemented temporary global static management.

During this period, keep silent and do not go out unless necessary. Train stations, high-speed railway stations, and high-speed intersections restrict the flow of people, and implement traffic control. At the same time, the community (village) is used as a unit to coordinate the establishment of nucleic acid testing sampling points, and carry out the whole process according to the designated time and place. Staff nucleic acid testing.

"8.20" Yuncheng Salt Lake Imported Epidemic Situation

　　At 6:31, 7:53, and 11:05 on August 20, Yuncheng Central Hospital successively reported that 3 returnees from Xi'an had positive nucleic acid tests.

　　The positive infected person is a family of three. They drove to Xijing Hospital in Xi'an on August 16 for treatment, and returned to Yanhu District, Yuncheng City at about 20:00 that day.

　　The nucleic acid test of the first infected person was negative on August 17 and 18. At 2:30 on August 20, he went to Yuncheng Central Hospital for fever symptoms, and the nucleic acid test was positive at 6:31 (Ct value: N gene 20.51, O gene 22.5);

　　The second infected person is the father of the first infected person. The nucleic acid test on August 17 and 18 was negative, and the nucleic acid test was positive at 7:53 on August 20 (Ct value: N gene 27.82, O gene 30.88) ;

　　The third infected person was the mother of the first infected person. The nucleic acid test on August 17, 18 and 19 were all negative, and the nucleic acid test was positive at 11:05 on August 20 (Ct value: N gene 32.99, O Gene 33.11).

　　After the outbreak of the epidemic, Yuncheng City launched an emergency response as soon as possible, adopted "double collection and double inspection" for review, and immediately transferred the positive people to designated hospitals for isolation and treatment, and coordinated to carry out epidemiological investigation and traceability. At the same time, environmental sampling and testing and comprehensive disinfection will be carried out on the sampling points of healthy people in Yuncheng Central Hospital and fever clinics where the cases are located, and temporary closures will be implemented.

The 5 streets, 16 communities, 7 apartments, and 3 single-door courtyards involved in the activity trajectory of the positive persons were sealed and controlled, and nucleic acid testing and environmental sampling were carried out.

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