China News Service, Beijing, April 23 (Xu Jing) From 16:00 to 22:00 on April 22, 2 new confirmed cases and 9 people with positive nucleic acid tests were added in Chaoyang District, Beijing. Yang Beibei, deputy head of the People's Government of Chaoyang District, Beijing, said at a press conference on epidemic prevention and control on the 22nd that one of the newly confirmed cases was a studen