2015年福州市登革热疫情流行特点

Epidemiological Characteristics of Dengue Fever in Fuzhou,2015

目的:通过分析2015年福州市本地感染的登革热疫情流行特点,探讨相关影响因素,为制定预防控制措施提供科学依据。方法:用描述流行病学方法对福州市2015年实验室确诊的本地感染登革热病例进行分析;使用布雷图指数(BI)进行蚊媒密度调查,使用自制防逃逸捕虫网进行成蚊密度消杀前后的监测。结果:本次事件共报告登革热33例,均为实验室确诊病例,其中男18例,女15例;发病人群以中老年人为主,年龄最小者13岁,最大89岁;职业分布以干部职工和退休人员为主。疫情流行期间,福州各发病地的白纹伊蚊幼虫密度平均BI指数持续高于5,最高47.94;33例病例主要集中分布在鼓楼区和晋安区,呈现出多点发生、局部暴发、疫点较分散,带病毒蚊子广泛存在,人群普遍易感的特点。结论:为做好登革热疫情防控工作,应开展以环境整治为重点的综合防治措施,加强防蚊灭蚊、清除蚊媒孳生地,翻盆倒罐等爱国卫生运动和健康教育。

Objective：To analyze the epidemiological characteristics of Dengue Fever in Fuzhou in 2015,and to explore related factors.It can provide scientific basic for the prevention and control.Methods：The description epidemiology method is used to analyze the confirmed cases of Dengue Fever of Fuzhou in laboratory.Meanwhile,the Breteau Index is used to measure the density of mosquito larvae.And a homemade escaped-insect net is used to monitor the density of mosquito larvae.Results：A total of Dengue Fever cases were reported 33,18 were men and the rest were women.Most of the patients were middle aged and elderly-people,and the youngest was 13 years old while the oldest was 89.Occupational distribution was given prior to with the cadres and the retired.In a pandemic,the Breteau Index was higher than average continuously,the highest was 47.94.Most of the cases were concentrated in Gulou and Jin＇an regions.The new characteristics of this outbreak were the dispersal of epidemic spots,the outbreak of part,the widespread of poisonous mosquito and susceptibility of population.Conclusion：We should carry out the comprehensive prevention and control measures,which put the emphasis on environmental regulation.And to strengthen the patriotic health campaign and education,such as killing mosquitoes,removing of mosquito-breeding ground and pouring over the ponding hydrops.