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1986年4月,湘乡市某建筑公司发生一起腹泻流行事件,经现场调查是因单位自备水源污染而引起,现将情况报告如下: 一、发病情况:从4月4日开始有散发病例,10日逐步增加,18日达高峰每天80余例。短期内发病786人,4月22日切断自备水源,病例逐渐减少,5日上旬平息。主要临床症状为腹泻(776例),腹痛(403例),腹胀(374例),食欲不振(496例),乏力(524例),恶心(230例)和呕吐(128例)
In April 1986, a major epidemic of diarrhea occurred in a construction company in Xiangxiang City. After field investigation, it was caused by the pollution of its own source of water. The report is as follows: I. Incidence: There are cases of sporadic cases since April 4 , Gradually increased on the 10th, reaching a peak of more than 80 cases a day on the 18th. In the short term, 786 people were infected. On April 22, their own water supply was cut off. The number of cases gradually decreased and the disease subsided early on the 5th. The main clinical symptoms were diarrhea (776 cases), abdominal pain (403 cases), bloating (374 cases), loss of appetite (496 cases), fatigue (524 cases), nausea (230 cases) and vomiting (128 cases)