On April 28, at the 318th press conference on the prevention and control of the new coronavirus pneumonia in Beijing, Yang Beibei, deputy head of Chaoyang District, introduced that on April 27, the second round of expanded nucleic acid screening in Chaoyang District A total of 3,841,506 samples were collected, and the results have been released, and 7 tubes were positive in the initial screening. Among them, 4 tubes of “5 mixed with 1” were screened out in the temporary control area, 1 tube was positive by apheresis in a single tube, and 2 tubes of “10 mixed with 1” were found positive in social screening. (Reporter Sun Leqi Niu Weikun)
