目的：查清一起旅客列车疑似食物中毒的原因，分析旅客列车食物中毒处理的特点及其规律，为旅客列车食物中毒的预防控制和处理提供科学依据。方法采用现场流行病学、卫生学调查方法，同时采集相关样品送实验室检测。结果该次旅客列车疑似食物中毒6例病人有共同的就餐史，发病急，短时间内同时发病，临床表现类似，以恶心、呕吐、脐周腹痛、腹泻等消化系统感染症状为主，血象检查均有白细胞、中性粒细胞比例偏高，经对列车供餐套餐盒饭1份、餐车后厨末梢生活饮用水1份、食饮具10份、厨师手涂抹采样2份、厨师肛试子4份、患者呕吐物采样2人份样品进行增菌培养、平板分离，可疑菌落进行革兰氏染色、生化实验和血清学实验，检验结果为：呕吐物2号标本检出蜡样芽孢杆菌。结论该次旅客列车食物中毒系一起乘车前因食用被蜡样芽孢杆菌污染食品，导致发生在旅客列车上的腹泻型蜡样芽孢杆菌食物中毒。%Objective To find out with the passenger train suspected cause of food poisoning,analysis of the characteristics and laws of food poisoning treatment of passenger train,passenger train to provide the scientific basis for preventing and controlling food poisoningand treatment. Methods Field epidemiology,hygiene investigation method, and collect samplessent to the laboratory test-ing. Results The passenger train of suspected food poisoning 6 patientshave a common history of eating, acute onset, short period of time at the same time, the similar clinical manifestations, the symptoms of nausea, vomiting, abdominal pain, diarrhea and other umbilicus digestive system infection, high blood examination showed white blood cells, neutrophils, the meal on the train package 1 copies of lunch, the dining car kitchendrinking water 1, peripheral tableware 10, chef hands daub 2 samples, 4 samples, chef analswab sampling 2 patients vomit samples for enrichment culture, plate separation, suspiciouscolonies were Gram staining, bio-chemical test and serological test, test results vomit: No. 2specimens of Bacillus cereus. Conclusion The passenger train ride to-gether with the Department of food poisoning due to ingestion of Bacillus cereus contamination of food,resulting in the passenger train on diarrhea type of Bacillus cereus food poisoning.
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