2000—2007年上海市副溶血性弧菌致集体性食物中毒分析及对策

目的了解上海市副溶血性弧菌致集体性食物中毒的特征。方法收集整理2000-2007年上海市集体性食物中毒资料,对由副溶血性弧菌所致集体性食物中毒事件进行统计分析。结果8年间副溶血性弧菌致集体性食物中毒事件起数和涉及患者人数分别占同期食物中毒事件起数和患者人数的57.4%和56.0%。5-10月是上海市副溶血性弧菌致集体性食物中毒的多发期,7、8、9月为高峰。发生的原因主要是生熟交叉污染(58.6%)和加工人员污染(18.6%)。主要中毒食品是混合食品(71.4%,如盒饭和桶饭)、畜禽肉加工制品(16.4%)和水产品(8.6%)。宾馆饭店是首要责任单位(33.6%),其次是集体供餐中的外送盒饭(21.4%)和单位集体食堂(20.5%)。结论副溶血性弧菌是上海市集体性食物中毒的首要致病原,应在高温季节对餐饮和集体供餐单位加强预防生熟交叉污染的培训和监督。

Analysis and Measures on Collective Food Poisoning Caused by Vibrio parahaemolyticus in Shanghai Munidpality During 2000-2007

Objective To understand the characteristics of collective food poisoning caused by Vibrio parahaemolyticus in Shanghai municipality.Method The data of collective food poisoning in Shanghai Municipality during 2000-2007 was collected,and the cases of collective food poisoning resulted from Vibrio parahaemolyticus were analyzed.Results The cases of collective food poisoning caused by Vibrio parahaemolyticus accounted for 57.4% in total cases of collective food poisoning from 2000 to 2007 in Shanghai municipality,and the number of patients accounted for 56.0%.The collective food poisoning caused by Vibrio parahaemolyticus in Shanghai mainly happened from May to October.July,August and September were the peaks of food poisoning.The causes were cross contamination between uncooked and cooked foods(58.6 %)and pollution made by processors(18.6 %).The main foods caused by poisoning were mixed foods(71.4 %,for example,box lunch),livestock and poultry meat products(16.4%),and aquatic products(8.6%).The responsibility units in which food poisoning were caused by Vibrio parahaemolyticus were hotel and restaurant(33.6%),box lunch-supported enterprise(21.4%)and mess hall(20.5 %),respectively.Conclusion Vibrio parahaemolyticus could be the chief pathogen.More training and supervision on catering industry should be strengthened to prevent cross contamination in high temperature season.