农药污染井水致食物中毒的调查分析

Investigation of food poisoning in connection with pesticide contaminated well water

目的查明中毒原因,以便及时采取有效预防控制措施。方法采用个案调查,现场调查及取样检测进行综合分析。结果发患者数144例,其中男性75例,女性69例。均饮食了张某制作的豆浆或苡米汤,135例(占93.7%)在饮食后2h内发病。主要表现:恶心呕吐(占81.94%)、腹痛(73.6%)、瞳孔缩小(33.3%)、视力模糊(8.3%)、肌颤(6.3%)等症状。井水及豆浆中检出甲胺磷,含量分别为133mg/L及20mg/L。结论该起事件是饮食被甲胺磷污染的井水制作的豆浆(或薏米汤)所致的食物中毒。

Objective To investigate the cause of poisoning in order to adopt effective control measures.Methods Aggregate analysis by using case investigation,field investigation and detection.Results There were 144 reported cases in which 75 were males and 69 were females.They all have drunk the soybean milk and pearl barley soup of Zhang's production.Among which 135 people showed symptoms(93.7%)in 2 hours after diet.The main clinical symptoms are nausea and vomit.(81.94%)、stomachache.(73.6%)、myotic pupil(33.3%)、blurred vision(8.3%)、amyostasia(6.3%).Methamidophos was found in the test of the well water and soybean milk.Their contents were 133 mg/L and 20 mg/L respectively.Conclusion This is a food poisoning caused by soybean milk made from Methamidophos contaminated well water.