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仙居县叶岩头村自 1 984年始 ,1 6年来先后有30名不明原因发病者 ,其中有 1 5人死亡 ,死亡者中有 1 2人是儿童 ,病人的主要症状是上吐下泻、肌肉抽搐、瞳孔缩小等。新闻媒体的报道引起了各级领导的高度重视 ,为查明原因 ,省疾病预防控制中心迅速行动 ,经过周密的调查、采样检测
From 1987 to the beginning of 1986, Ye Yan Tau Tsuen in Xianju County has successively treated 30 persons with unknown causes, of which 15 died and 12 of them were children. The main symptoms of the patients were vomiting, diarrhea, Muscle twitching, miosis and so on. News media reports have drawn great attention from leaders at all levels. In order to find out the reasons, the provincial CDC acted swiftly. After careful investigation and sample testing