“Yinchuan released” WeChat official account news, on April 24, Yinchuan City found 1 person who returned from overseas with a positive nucleic acid test. The diagnosis and treatment expert group of the autonomous region confirmed that it was an asymptomatic infection of the new coronavirus imported from abroad.
As of 12:00 on April 26, there were 228 close contacts and 1,277 sub-close contacts in the control area, and the results of the first round of nucleic acid tests were all negative. Among them, 65 close contacts and 691 secondary close contacts were involved in other cities. Laboratory test results show that the virus infected by the asymptomatic infected person is the Omicron variant (BA.2), which has strong transmission power, high risk of hidden transmission, and high viral load. In order to strictly prevent the spread of the epidemic, Based on comprehensive research and judgment, the community, buildings, and units involved in the close contact and sub-close contact of the asymptomatic infected person shall be temporarily closed and controlled by “staying at home and providing door-to-door service”. The results of the first round of regional nucleic acid tests in the temporary closure area were all negative. According to the unified arrangement, the second round of nucleic acid screening was organized today. In the next step, according to the health monitoring and nucleic acid testing of close contacts, sub-close contacts, and temporary closure and control personnel, on the basis of expert evaluation and judgment, the temporary closure and control management measures will be adjusted in a timely manner as appropriate.
（CCTV）