本文报导了1990年元——5月河南焦作地区发生以青壮年为主的流行性腹泻,发病2993例,分布于58个村庄和1个电厂,罹患率为39.68％,流行高峰在四月上旬。由于疫区分布在丹河水灌溉区内,河水严重污染,村民饮用和使用河水,所以本次流行以水传为主,并伴有日常生活接触传播,临床表现为腹痛、腹泻、腹胀、腹鸣等,平均病程 This article reports the prevalence of epidemic diarrhea among young and middle-aged adults in Jiaozuo, Henan Province from 1990 to May of this year. The incidence was 2993 cases, distributed in 58 villages and 1 power plant. The attack rate was 39.68%. The epidemic peak was in early April . As the epidemic area is distributed in the Dan River water irrigation area, the river is seriously polluted and the villagers drink and use the river water. Therefore, this epidemic is mainly water-borne and is accompanied by daily contact and transmission. The clinical manifestations include abdominal pain, diarrhea, abdominal distension and abdominal gas And so on, the average duration