浙江省海盐县一起聚餐引起的霍乱疫情调查  

Investigation of food-borne cholera epidemic in Haiyan county,Zhejiang province

作　　者：陆文彪[1] 孙明华[1] 蒋卫[1] 

机构地区：[1]浙江省海盐县疾病预防控制中心,浙江海盐314300

出　　处：《疾病监测》2008年第11期733-734,共2页Disease Surveillance

摘　　要：目的通过对海盐县霍乱疫情的调查处置,分析疫情原因,控制疫情蔓延。方法根据GB15984-1995标准培养鉴定霍乱弧菌;对患者、带菌者、聚餐人员、密切接触者、周围人群、外环境全面开展流行病学调查,对聚餐食物危险因素调查分析,并采取有效的疫情控制措施。结果共发病1例,健康带菌者9例,为小川型霍乱弧菌,噬菌体-生物分型为15f,毒力基因ctx为阳性。结论本次是一起农村聚餐引起的霍乱疫情,聚餐人员感染的霍乱弧菌具有产生霍乱肠毒素的能力,是一种少见的非流行株,聚餐时所用的白鸡在加工、烹调过程中交叉污染而引发。Objective The study was conducted to investigate the cause of a food related cholera epidemic, provide the evidence for the effective control of the epidemic. Methods Vibrio cholerae was identified according to GB 15984-1995 standard. Epidemiological survey was performed on the cases, bacteria carrier, diner-participants, close contacts, nearby people and outer environment, the risk factors of the food were analyzed and the effective control measures were taken. Results One case occurred and 9 healthy carriers were found. The pathogen was identified as Ogawa vibrio cholerae with biotype 15f by phage-typing and virulence gene ctx positive. Conclusion The cholera epidemic was caused by the contaminated food from a diner in rural areas. The vibrio cholerae proved to have the ability to produce cholera toxin, which was an uncommon and non- prevalence strains. Cross- contamination during the processing and cooking of the food （chicken） was believed to be the source of infection.

关 键 词：聚餐 霍乱 疫情 调查 分析 

分 类 号：R516.5[医药卫生—内科学]