China News Service, Beijing, March 23 (Xu Jing) Pang Xinghuo, deputy director of the Beijing Center for Disease Control and Prevention and a member of the national new coronavirus pneumonia expert group, said at a press conference on the prevention and control of the new coronary pneumonia epidemic in Beijing held today, 3 From 16:00 on the 21st to 16:00 on the 23rd, Beijing added 7 new cases of local new coronary pneumonia virus infection, all of which were confirmed cases; 4 in Chaoyang District and 3 in Dongcheng District.