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目的分析东莞市2014年登革热流行病学特征,评价综合预防控制措施的效果,为今后登革热预防控制工作提供参考依据。方法收集东莞市2014年登革热疫情资料和蚊媒监测资料,采用描述性流行病学方法进行统计分析。结果 2014年东莞市共报告288例登革热病例,年发病率为3.46/10万,其中本地感染病例212例,输入性病例76例。波及全市87.5%(28/32)的镇街,22个镇街有本地病例发生,并发生了3起局部暴发疫情。病例发病高峰主要集中在9—10月。男女性别比为0.86:1,性别间发病率差异无统计学意义(χ2=2.27,P>0.05)。发病年龄相对分散,主要集中在20~59岁的中壮年,占病例总数70.14%。职业以工人、农民和家务为主。实验室检测结果显示登革热流行病毒株主要是登革Ⅰ型病毒。疫情流行期间布雷图指数最高达36.25。结论 2014年东莞市登革热呈多点散发的流行态势,以输入性病例引起的本地感染暴发为主,强化输入性病例的发现和报告能力,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 the epidemiological characteristics of Dengue in 2014 in Dongguan City and evaluate the effect of comprehensive prevention and control measures to provide reference for future prevention and control of dengue fever. Methods The dengue outbreak data and mosquito media monitoring data collected in Dongguan City in 2014 were analyzed statistically by descriptive epidemiological method. Results A total of 288 cases of dengue fever were reported in Dongguan in 2014, with an annual incidence of 3.46 / 100 000, including 212 cases of local infection and 76 cases of imported cases. Affecting 87.5% (28/32) of the town’s streets in the city. Twenty-two towns in the town have local cases and three outbreaks of local outbreaks have occurred. The peak incidence of cases mainly concentrated in September-October. The male-female ratio was 0.86: 1. There was no significant difference in the incidence of genders (χ2 = 2.27, P> 0.05). Relatively dispersed age of onset, mainly in the middle-aged 20 to 59 years old, accounting for 70.14% of the total number of cases. Occupation of workers, peasants and house-based. Laboratory tests show that Dengue virus strains are mainly dengue type I virus. The Brettony index reached 36.25 during the epidemic. Conclusion The prevalence of dengue fever in Dongguan in 2014 showed that the incidence of dengue fever in Dongguan was mainly caused by imported cases of local outbreaks and the detection and reporting of imported cases were strengthened. The essential.