2005—2012年佛山市登革热流行病学分析

Epidemiological analysis of dengue fever in Foshan City from 2005-2012

目的分析佛山市近年来登革热疫情特点及流行规律，为制定预防控制措施提供依据。方法收集国家疾病监测信息报告管理系统2005--2012年登革热基本信息，以及登革热病例个案流行病学调查资料，用描述和分析流行病学方法分析登革热的流行特征和流行因素。结果2005--2012年佛山市共报告登革热病例361例，其中该地感染病例356例，输入性病例5例。共报告7起暴发疫情，累计发病314例，暴露总人数54249人。病例主要集中在8—11月，不同年份间病例数波动较大。病例分布于禅城、南海和顺德3个区。男女比例为1．01：1，各年龄组均有发病，主要集中在20～49岁的青壮年，占病例总数的62．88％。结论佛山市登革热疫情为输入性或由输入性病例引起该地传播，禅城、南海、顺德是佛山市登革热防控的重点地区。加强监测，做好环境整治和防蚊灭蚊工作是防治登革热的关键。

[ Objective ] To analyze characteristics and risk factors of dengue fever, and provide evidence for developing prevention and control measures. [ Methods ] Case data of dengue fever were collected from national disease surveillance information system during 2005-2012,and epidemiological data and laboratory test results of cases were collected as well. Descriptive and analytical statistical methods were applied to analyze epidemiological characteristics and epidemiological factors. [ Results] A total of 361 ca- ses were reported in Foshan City from 2005-2012, including 256 cases of local infection and 5 imported cases. There were 54 249 people exposed to dengue fever, 7 outbreaks were reported, involving 314 dengue cases. The male/female ratio was 1.01： 1. Every age group had reported cases and the majority were in 20-49 years age group （ 62.88% ）. [ Conclusion] The dengue fever epidemics of Foshan are closely related to imported cases or importer-induced endemic prevalence and control efforts should focused on Chancheng, Nanhai and Shunde. To strengthening monitoring, to do well in environmental management and anti-mosquito are key measures for dengue fever control.