Control of 41 cases of infected persons, of which, 40 cases of isolation and observation personnel, social surface screening personnel 1 case; 16 cases in Chaoyang District, Haidian District, 9 cases, Xicheng District, 7 cases, Dongcheng District, 6 cases, Fengtai District, Shunyi District, Huairou District, 1 case each; 33 cases of lightweight, asymptomatic infected persons 8 cases. Another previously notified 1 case of asymptomatic infected person to confirmed cases. 19th 0:00 to 15:00, the new native infected 12 cases, are isolated observation personnel; Chaoyang District, 6 cases, Xicheng District, Haidian District, 3 cases; light 8 cases, asymptomatic infected 4 cases