1989年12月5～24日,通化市某中专学校发生细菌性痢疾流行(简称菌痢).由市卫生防疫站流病科、环卫科、食品科组成联合调查组深入现场调查。调查证实是由于该校自备水源受污染所致。 该校现有师生1007人,其中饮用该水726名住校生发病70人,发病率为9.6％,71名走读生和210名教工不饮用该水,无一发病。 1989 December 5 ~ 24, Tonghua City, a secondary school bacterial diarrhea epidemic (referred to as bacillary dysentery) by the Municipal Health and Epidemic Prevention Station Department of Disease, Sanitation Section, Department of Food jointly formed a joint investigation team in-depth investigation. The survey confirmed that the school owned water pollution caused. The school has 1007 teachers and students, of which 726 residents of the water drinking 70 people, the incidence was 9.6%, 71 students and 210 faculty do not drink the water, no incidence.