Objective According to "People's Republic of China Food Safety Law," "national food safety emergency plan,""food poisoning diagnostic criteria and technical management General," "Food safety incidents epidemiological norms" and other laws and regulations, together with the use of the excess nitrous acid salt causes food poisoning epidemiological inves-tigation and analysis. Methods District CDC received reports of incidents of food safety, food safety incidents immediately start contingency plans for all three patients were investigating the case, rushed to the scene gathering suspect food CDC physical and chemical laboratory for testing, supervision departments Deshun hotel for incense take urgent control measures. Results Three patients with gastric lavage, rehydration, intravenous antidotes, enema catharsis treatment in stable condition improved. According to epidemiological investigation, clinical symptoms, suspected food poisoning on nine kinds of laborato-ry tests, the results of suspicious foods packaged beef dish nitrite content of 99.7mg/kg, raw beef (cooked) nitrite salt con-tent was 122.8 mg/kg, are excessive, leading to the main reason for this food poisoning. Conclusion District food safety inci-dents together with the Group of Experts initially identified as excessive use of nitrite caused the food poisoning.%目的 依据《中华人民共和国食品安全法》《国家食品安全事故应急预案》《食物中毒诊断标准及技术处理总则》《食品安全事故流行病学调查规范》等法律、法规对一起超量使用亚硝酸盐引起食物中毒事件进行流行病学调查和分析. 方法 区疾控中心接到食品安全事故的报告后,立即启动食品安全事故应急预案,对3例患者全部进行了个案调查,现场采集可疑食品送往市疾控中心理化检验室进行检测,监督部门对事发酒店采取紧急控制措施.结果 3例患者经洗胃、补液、静点解毒药物、灌肠导泻治疗病情稳定好转.根据患者的流行病学调查,患者的临床症状,对9种可疑中毒食物进行实验室检验,结果可疑食品中牛肉打包菜亚硝酸盐含量为99.7 mg/kg,原料牛肉(熟)中亚硝酸盐含量为122.8 mg/kg,均超标,是导致该次食物中毒事件的主要原因. 结论 区食品安全事故专家组初步认定为一起超量使用亚硝酸盐而致食物中毒.
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