2012～2017年青岛市西海岸新区食源性疾病暴发事件流行病学分析

Epidemiological analysis on food borne disease outbreaks in Qingdao West Coast New Area,2012-2017

目的分析青岛市西海岸新区2012~2017年食源性疾病暴发事件的流行病学特征,为食源性疾病的预防控制提供科学依据。方法对2012~2017年青岛市西海岸新区食源性疾病暴发监测系统中的食源性疾病暴发事件,用描述流行病学方法对食源性疾病暴发事件进行统计分析。结果食源性疾病暴发事件共报道48起,发病453例,无死亡病例。25~60岁为食源性疾病暴发事件的高发人群(占69.76%、316/453),第三季度为发病高峰期(占70.83%、34/48),主要场所为餐饮单位(占62.5%、30/48)和集体食堂(占22.9%、11/48)。由微生物引起的事件(占68.75%、33/48)和涉及人数(占80.13%、363/453)最多,其中以副溶血性弧菌为主(占33.33%、16/48)。可疑食物中海鲜及水产品所占比例最大(占39.58%、19/48)。结论青岛市西海岸新区食源性疾病的防控以副溶血性弧菌、变形杆菌、金黄色葡萄球菌及其肠毒素等致病因子导致的暴发事件为主。

Objective To analyze the epidemiological characteristics of food-borne disease outbreaks in Qingdao West Coast New Area during 2012-2017,so as to provide scientific basis for their prevention and control. Methods Descriptive epidemiological analysis method was used to conduct statistical analysis on the food-borne diseases in the monitoring system of Qingdao West Coast New Area during 2012-2017. Results A total of 48 outbreaks of food-borne diseases were reported,with 453 cases and no deaths. 25 60 years old was the susceptible population （69.76% ,316/453） ,while the third quarter was the peak of incidence （70.83% ,34/48）. The main venues were catering agencies（62.5% ,30/48） and staff cafeteria（22.9% ,11/48）. The biggest amount （68.75% ,33/48） and numbers of people involved（80. 13% ,363/453） of food-borne diseases were caused by microorganisms, especially Vibrio parahaemolyticus （33.33 %, 16/48）. Seafood and aquatic products accounted for the highest proportion in suspicious food（39.58% ,19/48）. Conclusion Vibrio parahaemolyticus,Proteus,Staphylococcus aureus and Enterotoxins are the major targets for prevention and control of food-borne diseases in Qingdao West Coast New Area.