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一九八二年二月中旬起,抚顺茨沟地区痢疾、肠炎病例急剧增多,至三月八日共发生痢疾、肠炎病人915例(其中痢疾500例,肠炎415例)。22例入院治疗患者的便培养中,检出福氏痢疾杆菌七株(F1a 6株、F1b 1株)。流行病学调查证明是由于下水污染上水所致的一起水源性痢疾、肠炎的暴发流行。环境调查与流行概况茨沟是抚顺市某煤矿的工人住宅区,地属谷地,住房(均为平房)依坡建筑。绝大部分坡上地区均无下水设备,上水是矿自建深7米容积75m~3的储水池,引入市东洲净水厂的自来水后,每日早、中、晚三次定时(30分钟/次)加压送水。但大部分用户的管网是私自安装、管材质量差,管网设计不合理,有的与下水道排
Since mid-February 1982, the number of cases of dysentery and enteritis increased sharply in Zhaigou, Fushun County. As of March 8, 915 cases of dysentery and enteritis (including 500 cases of dysentery and 415 cases of enteritis) occurred. Seven of the 12 cases of Shigella flexneri (F1a 6, F1b 1) were detected during the stool culture of 22 hospitalized patients. Epidemiological investigations have proved to be due to the outbreak of water-borne diarrhea and enteritis caused by the launching of sewage into the water. Environmental Investigation and Epidemic Situation Zhaogou is a worker’s residential area in a coalmine in Fushun City, belonging to the valley, housing (both bungalows) by slope construction. Most of the areas on the slopes have no sewage equipment. Sheung Shui is a self-built reservoir with a depth of 75 meters and a depth of 75 meters. After introducing tap water from the Dongzhou water purification plant, the morning, Minute / time) pressurized water. However, most users of the pipe network is installed without permission, poor quality pipe, pipe network design is not reasonable, and some with the sewer row