新疆维吾尔自治区乌鲁木齐市一起肉毒中毒事件调查分析

  目的  通过对新疆维吾尔自治区乌鲁木齐市一起肉毒中毒事件进行调查分析和实验室检测，并采取有效措施预防。  方法  通过查阅就诊记录、访谈相关医生并通过入户调查方式进行现场流行病学调查，采集病例粪便、剩余食物等进行肉毒毒素实验室检测及分型鉴定。  结果  确诊病例2例，均被收治入院。 使用A、B型肉毒抗毒素治疗后, 症状明显缓解。 实验室分离到肉毒梭菌，经荧光定量PCR方法检测携带A型毒素基因，确定为A型肉毒梭菌，小鼠实验检测到A型肉毒毒素。  结论  本次事件是一起由家庭自制豆豉引起的肉毒梭菌中毒，由A型肉毒梭菌污染导致，建议加强居民教育，防止食品制作和储存环节污染。

An investigation of a botulism poisoning event in Urumqi,Xinjiang

  Objective  To investigate the pathogenic factors and causes of a botulism poisoning event and provide evidence for the prevention and control of the similar events in the future.  Methods  Field epidemiological survey was conducted through consulting medical records, interviewing relevant doctors and household survey. Laboratory test was done after collecting case stool samples and residual food samples for the detection of Clostridium botulinum.  Results  Two poisoning cases were confirmed and admitted to hospital. After botulinum antitoxin A and B treatment, the symptoms were significantly alleviated. C. botulinum was isolated, which was identified as type A C. botulinum after detection of type A toxin gene by real time quantitative PCR. Type A botulinum toxin was detected in mouse experiments.  Conclusion  This poisoning event was caused by homemade tempeh contaminated by C. botulinum type A. It is recommended to strengthen health education about the prevention of contamination in food production and storage. Medical institutions should prepare emergency medicines for food poisoning. Antitoxin serum should be used for the treatment of botulism poisoning.