China News Service, Chongqing, December 1 (Reporter Han Lu) The Office of the Leading Group for the Prevention and Control of the New Crown Pneumonia Epidemic in Chongqing High-tech Zone notified the follow-up of a foreign employee of a company in Xiyong Microelectronics Park who was determined to be asymptomatically infected overseas on the evening of November 30 Happening.

As of 23:00 on the 30th, nucleic acid tests of relevant personnel and environmental samples were negative.

  On November 28, Han Moumou, a Korean employee of SK Hynix Semiconductor (Chongqing) Company in Xiyong Microelectronics Park, Chongqing High-tech Zone, tested positive for the new coronavirus nucleic acid in South Korea and was initially judged to be asymptomatic infection in South Korea.

Han went directly to Chongqing from Incheon, South Korea on February 1 this year, and left Chongqing on November 26 and returned to South Korea via Chengdu.

  On November 30, Chongqing High-tech Zone received a notification from enterprises that Han XX tested negative for the second time in South Korea.

  As of 23:00 on November 30, a total of 55 close contacts of Han XX were traced, all of which were negative for nucleic acid tests and all negative for serum antibody tests; 144 close contacts of close contacts were all negative for nucleic acid tests; 8213 for general contacts Human, all nucleic acid tests were negative.

674 samples were taken from SK Hynix Semiconductor (Chongqing) Company and Chongqing R&F Holiday Hotel on articles and environment (including Han's working and living places), and the nucleic acid tests were all negative.

  Under the premise of implementing epidemic prevention and control measures, Han's working company has resumed work and production, and the hotel where he lives has resumed business.