China News Service, Chongqing, November 29 (Reporter Han Lu) On the 29th, Chongqing held a press conference on the prevention and control of the new crown pneumonia epidemic to inform that foreign employees of a company in Xiyong Microelectronics Park, Chongqing High-tech Zone have been identified as asymptomatic infections abroad The relevant situation.

  According to Gao Jupeng, member of the Party Working Committee of Chongqing High-tech Zone and Deputy Director of the Management Committee, Han Moumou, who was preliminarily determined to be an asymptomatic infected person abroad, is a 42-year-old male, Korean nationality, and belongs to Xiyong Microelectronics Park in Chongqing High-tech Zone. Engineer of SK Hynix Semiconductor (Chongqing) Company.

  It is reported that on February 1, 2020, Han went directly to Chongqing from Incheon, South Korea, leaving Chongqing on November 26, 2020, and stayed at Chongqing R&F Holiday Hotel during the period.

At 8 o'clock in the evening on November 26th, Han Moumou departed from the hotel, took the company car (including the driver, a total of 2 people) to Chengdu Shuangliu Airport, and took the plane (Asian Airlines OZ324) to South Korea at 2 o'clock in the morning on November 27 Incheon Airport.

On November 28, Chongqing High-tech Zone received a report from a company that Han Moumou found positive for the new coronavirus nucleic acid after returning to South Korea and was initially determined to be an asymptomatic infection.

  According to Li Pan, a member and deputy director of the Chongqing Municipal Health Commission, Chongqing Municipality has sent relevant information to Sichuan Province by letter.

As of 9 o'clock on November 29, 49 close contacts and 100 close contacts of close contacts have been sorted out, all of which have been quarantined for medical observation.

Temporarily isolate and manage general contacts and other relevant personnel on the spot.

In addition, SK Hynix Semiconductor (Chongqing), where Han Moumou works, temporarily suspends production and implements closed management; Chongqing R&F Holiday Hotel where Han Moumou lives is temporarily closed for closed management.

All relevant places are thoroughly disinfected.

  It is understood that after receiving the relevant report, the Chongqing Municipal Health Commission drew up 5 professional nucleic acid testing teams to work with relevant nucleic acid testing institutions in Chongqing High-tech Zone to provide close contacts, close contacts of close contacts, all employees of the company, and Koreans. All employees of the hotel where XX lives and all guests staying since November 25 have undergone nucleic acid testing.

As of 9:00 on November 29th, 3283 people have been sampled, and 2674 people have had results, all of which are negative.

At the same time, sampling and testing of items and environment in relevant places were carried out. A total of 493 samples were collected, and 493 results have been obtained, all of which are negative.

  In terms of tracing the source of infection, Tang Wenge, deputy director of the Chongqing Center for Disease Control and Prevention, said that the current investigation is mainly conducted from three aspects: First, some of the raw materials of SK Hynix Semiconductor (Chongqing) are from overseas, and related items and contacts are sampled and tested. ; The second is to learn more about Han's detailed itinerary on his way back to South Korea, and to find the source of possible exposure; the third is to track and sample all people, imported food, overseas mail and express delivery that Han has contacted since November 13.