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20 0 0年 10月石首市调关镇连心垸又有 2 0例村民发生原因不明的急性中毒 ,我们依据当地有关部门提供的事件发生经过 ,对此次中毒情况进行调查。本次调查该村发病的 6、 7组及未发病的 9组 ,同时对 6、 7组未发病农户也进行了调查。调查方法采取病例个案调查、村组基本情况调查
In October 2000, there were 20 cases of acute poisoning in the village of Lianxin in the town of Shisuan, Shishou City. We investigated the poisoning situation according to the incidents provided by the local authorities. The investigation of the 6 and 7 groups in the village and the 9 groups not affected by the disease were conducted. At the same time, the 6 and 7 groups of unaffected households were also investigated. Investigation method: Case investigation, basic survey of village groups