China News Service, Beijing, January 21 (Reporter Du Yan) Pang Xinghuo, deputy director of the Beijing Center for Disease Control and Prevention and member of the national new coronavirus pneumonia expert group, said at a press conference held today that from 0:00 to 16 January 21 At that time, Beijing added 7 new confirmed cases of local new coronary pneumonia, including 4 mild cases and 3 ordinary cases; 5 new cases of local asymptomatic infection of new coronary pneumonia.