深圳市福田区副溶血性弧菌食物中毒流行病学特征分析

目的为了解深圳市福田区近年来副溶血性弧菌食物中毒暴发情况、流行趋势及其影响因素,降低食源性疾病的风险。方法收集辖区为2006—2009年食物中毒的档案资料,进行流行病学和统计学分析。结果2006—2009年,共确诊副溶血性弧菌食物中毒24起,中毒人数共115人。中毒全部发生在5—12月,发病高峰季节为7—10月。人口密度与中毒起数没有明显的相关性,食物中毒集中发生在集体食堂,中毒食物以凉拌菜和熟肉为主,发生原因主要是生熟交叉污染,引起食中毒的血清型别主要以O3:K6为主。结论该区副溶血性弧菌食物中毒有明显的季节性,加强集体食堂的卫生管理是预防食物中毒的工作重点。

Analysis on Epidemiological Characteristics of Food Poisoning Caused by Vibrio Parahaemolyticus in Futian District of Shenzhen City

Objectives]To understand the outbreak,epidemic trend and influencing factors of food poisoning caused by Vibrio parahaemolyticus in Futian district of Shenzhen city in recent years,reduce the risk of food-borne disease.Methods]The data of food poisoning cases from 2006 to 2009 were collected and analyzed with epidemiological and statistical methods.Results]During 2006—2009,24 events of food poisoning with 115 patients caused by Vibrio parahaemolyticus were confirmed.All cases occurred in the period from May to December,and the peak season was between July and October.There was no relationship between population density and number of food poisoning.Most of the events occurred in the collective eatery.The poisoning food was salad and cooked meat mostly,and main cause was cross contamination of raw and cooked foods.The predominant serotypes of Vibrio parahaemolyticus in food poisoning cases was O3：K6.Conclusion]The Vibrio prahaemolyticus food poisoning showed obvious seasonal in this district,and improving health management of collective eatery is the key of food poisoning prevention.