Among them, there were 39 cases of isolation observers, 3 cases of social screening personnel; 2 cases of common type, 23 cases of mild type, and 17 cases of asymptomatic infection. Among them, there were 889 cases of isolation observers, 49 cases of social screening personnel; 1 severe case, 2 common cases, 215 light cases, and 720 asymptomatic infections.