China News Service, Tianjin, November 18 (Reporter Zhang Daozheng) Gu Qing, deputy director of the Tianjin Municipal Health Commission and director of the Municipal Center for Disease Control and Prevention, introduced on the evening of the 18th that the city quickly identified the third case of asymptomatic infection in the city. The premises of work and life undergo terminal disinfection, and the residents of the same building and key related buildings, as well as all the staff of Yangbei Logistics Park, implement centralized isolation medical observation.

At present, all newly infected persons are medical observation personnel in centralized isolation.

　　That night, Tianjin held the 153rd press conference on the prevention and control of the novel coronavirus pneumonia epidemic.

According to Gu Qing, on November 10, Tianjin City found the third case of asymptomatic infection of Wang Moumou among the personnel who should be inspected in Dongjiang Port District, and his close contacts, the same building and key related buildings Residents and other relevant personnel implemented centralized isolation medical observation.

In accordance with Tianjin's strengthened measures for epidemic prevention and control, samples were collected on the 7th day of isolation for nucleic acid testing and serological antibody testing.

　　"As of 15:20 on November 18th, Tianjin City has found 3 cases of new coronavirus nucleic acid test positive among its relevant centralized quarantine medical observation personnel. After comprehensive research and judgment by the city-level expert group, 1 confirmed case was confirmed. None There were 2 cases of symptomatic infections." Gu Qing said that Wang Moumou and these 3 new cases of infection all live in the same building in Kanhaixuan District, Dongjiang Port District, Tianjin.

　　The basic profile of the 3 new infections is:

　　Infected person 1, Gong Moumou, male, 37 years old, current address: Kanhaixuan Community, Dongjiang Port District, Tianjin, employee of Tianjin Nuowang Labor Service Co., Ltd., occupation as a porter in Yangbei Logistics Park (building materials market), local Roommates and coworkers of asymptomatic infection in the third case.

Centralized quarantine medical observation was implemented on November 10, and the nucleic acid test and serological antibody test results were negative on that day; in accordance with Tianjin’s enhanced epidemic prevention and control measures, the nucleic acid test was carried out again on November 17, and the result was positive. The fourth case of asymptomatic infection of the new coronavirus in Tianjin.

　　Infected person 2, Wang Moumou, male, 40 years old, current address: Kanhaixuan Community, Dongjiang Port District, Tianjin, employee of Tianjin Nuowang Labor Service Co., Ltd., occupation as porter in Yangbei Logistics Park (building materials market), local The third case of asymptomatic infection was a roommate and worker.

Centralized quarantine medical observation was implemented on November 10, and the nucleic acid test and serological antibody test results were negative on that day; in accordance with Tianjin’s enhanced epidemic prevention and control measures, the nucleic acid test was carried out again on November 17, and the result was positive. The 140th confirmed case (common type) of new coronary pneumonia in Tianjin.

　　Infected person 3, Kang Moumou, female, 33 years old, current address: Kanhaixuan District, Dongjiang Port District, Tianjin, employee of Zhongrun Haobo Automobile Sales Service Co., Ltd., is the third case of asymptomatic infection in the same building in the local area. He shared an elevator with him.

Kang Moumou lived with his younger brother and younger siblings. All three of them underwent centralized isolation medical observation on November 10, and the nucleic acid test results were all negative on that day. In accordance with Tianjin’s enhanced epidemic prevention and control measures, on November 18, the preliminary inspection and municipal The CDC rechecked that Kang's test result was positive, and he was determined to be the fifth asymptomatic case of the new coronavirus infection in Tianjin; the nucleic acid test results of his younger brothers and sisters are all negative.

　　Gu Qing said that after Kang XX, a related person in the same building, tested positive on the same day, Tianjin quickly launched an epidemiological investigation, implemented classified management and control of related personnel, and immediately arranged for nucleic acid testing and serological antibody testing. All personnel in Kang's work unit shall be subject to centralized isolation medical observation; the second is to conduct centralized isolation medical observation on all the staff of Kang's younger brothers and sisters who eat and shop in the commissary opened by their work unit; the third is to conduct centralized isolation medical observation on all the courtyards of Kang's work unit All personnel are sealed on the spot, and personnel are prohibited from entering and exiting. Based on the test results, evaluation and corresponding measures are taken.

　　Dynamic assessment and adjustment of the risk level of the affected area.

As of November 18, among the third case of asymptomatic infection in Tianjin, Wang XX has been found in the relevant centralized isolation medical observation group, 1 case of confirmed new coronary pneumonia and 2 cases of local asymptomatic infection have been found, all living in East Tianjin The same building in Kanhaixuan Community in Xinjiang Port District.

According to the development situation of this epidemic and the needs of epidemic prevention and control work, in accordance with the scientific division and precise prevention and control requirements of the State Council's joint prevention and control mechanism for the new crown pneumonia epidemic, the Municipal Prevention and Control Headquarters has researched and judged and passed the Tianjin Prevention and Control Leading Group It is agreed that from 24:00 on November 18, 2020, the Kanhaixuan community in Dongjiang Port District of Tianjin will be designated as a medium-risk area and corresponding control measures will be implemented.

The risk levels of other areas in Tianjin remain unchanged.

　　It is reported that up to now, 5476 nucleic acid samples have been collected in this epidemic. Except for 3 cases of asymptomatic infection and 1 confirmed case, the other samples are all negative.

A total of 1,674 people were under the management of this epidemic, 1,578 people were under centralized isolation medical observation, and 96 people were under home medical observation.

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