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1990年3月1～6日大连市白云新村生活饮用水由生物性污染致人群腹泻暴发流行。现将事故调查结果报告如下。一、流行病学检查3月6日接疫情报告即进行流调。5日市传染病院,医专附院共收治该区患者28人,症状均为腹泻(水样便、脓血便)、呕
March 1 to 6, 1990 in Baiyun Village, Dalian City, drinking water by the biological pollution caused by the crowd outbreak of diarrhea. The accident investigation results are reported below. First, the epidemiological examination received the epidemic report on March 6 that flow control. 5 Infectious Diseases Hospital, Affiliated Hospital of Medicine received a total of 28 patients in the area, the symptoms are diarrhea (watery stool, pus and blood), vomit