一起小学疑似食物中毒事件分析

发布时间：2018-10-31 10:51

【摘要】：目的探索小学生食物中毒发生的危险因素,为提出合理的建议及防控措施提供参考依据。方法制定病例定义,对多家媒体报道的疑似食物中毒学校进行病例搜索。开展病例对照研究,包括可疑餐次及食物的分析,开展饭堂卫生学调查,对采集剩余食物进行实验室检测。结果共搜索到符合病例定义73名病例,其中疑似病例57例、可能病例16例;教师2例,住宿生71例,罹患率为12.6%(73/581)。症状以腹痛(97.3%,71/73)、恶心(31.5%,23/73)、呕吐(20.5%,15/73)为主,部分学生反映喉咙有不适及烧灼感。土豆焖鸭肉是可疑高危食物(OR=4.2,95%CI=1.3~14.0)。结论该事件为一起疑似龙葵碱毒素引起的食物中毒。学校应加强对食堂的卫生及原材料的监督和管理,避免或预防该事件发生。
[Abstract]:Objective to explore the risk factors of food poisoning in primary school students and to provide reference for reasonable suggestions and prevention and control measures. Methods to make case definition and search for suspected food poisoning schools reported by many media. Case control study was carried out, including the analysis of suspicious meals and food, the hygienic investigation of dining hall, and the laboratory examination of the collection of surplus food. Results A total of 73 cases were found in accordance with the definition of case, including 57 suspected cases, 16 probable cases, 2 teachers, 71 resident students, and the attack rate was 12.6% (73 / 581). The symptoms were abdominal pain (97.3 / 73), nausea (31.5 / 23 / 73), vomiting (20.5 / 73 / 73), and some students reported a sore throat and burning sensation. Braised duck with potatoes is a suspicious high-risk food (OR=4.2,95%CI=1.3~14.0). Conclusion this incident is a suspected food poisoning caused by solanine toxin. The school should strengthen the supervision and management of the hygiene and raw materials in the canteen to avoid or prevent the occurrence of the incident.
【作者单位】：广东省疾病预防控制中心(广东省现场流行病学培训项目办公室);广州市越秀区疾病预防控制中心;广东省疾病预防控制中心;中国疾病预防控制中心(中国现场流行病学培训项目办公室);
【基金】：广东省现场流行病学重点专科—广东省现场流行病学培训项目广东省科技厅项目—广东省食品安全卫生应急技术研究中心(粤科函社字[2011]733号)
【分类号】：R155.3

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