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目的 查明引发 4 84名病人住院的中毒原因。方法 用流行病学疾病爆发调查方法和气相 -质谱联用法检测采集到的可疑中毒样品。结果 4 84名中毒住院的病人都进食了来自同一肉联厂的猪肉或内脏 ,猪肉和内脏中检测到浓度为 4 8～ 974 0 μg/kg的盐酸克伦特罗残留。 结论 本次特大食物中毒为食用宰前生猪喂养了含克伦特罗饲料的猪肉而引起的。根据中毒情况及发生原因提出预防的设想和做法
Objective To identify the causes of poisoning in 4 84 patients hospitalized. Methods Epidemiological outbreak investigation and gas chromatography - mass spectrometry were used to detect the suspicious samples collected. Results All 4 84 hospitalized patients were poisoned with pork or offal from the same meat factory. Residual clenbuterol hydrochloride was detected in pork and offal from 48 to 974 0 μg / kg. Conclusions This outbreak of food poisoning was caused by the consumption of pork containing clenbuterol feed for pre-slaughter pigs. According to the poisoning situation and the reasons for putting forward the ideas and practices of prevention