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目的分析广州市2011年登革热疫情流行病学特征,为登革热预防控制工作提供参考依据。方法对广州市疫情监测与报告信息系统和实验室监测信息系统,以及相关的现场调查报告、疫情简报等进行统计与分析。结果广州市2011年报告登革热病例51例,本地感染33例,输入性病例18例,累计发病率0.4/10万,无死亡病例,输入性病例占全年报告病例的35.29%。除1、2、7月外,其余月份均有病例;共报告突发公共卫生事件1起,为海珠区龙凤街登革热暴发疫情(16例)。实验室监测表明,2011年广州市病毒流行株为登革Ⅰ型病毒。结论 2011年广州市登革热流行处于散发流行状态,输入性病例或异地来广州就诊的登革热病例对广州市登革热流行存在潜在风险。
Objective To analyze the epidemiological characteristics of dengue fever in Guangzhou in 2011 and provide a reference for prevention and control of dengue fever. Methods The statistics and analysis of epidemic situation monitoring and reporting information system and laboratory monitoring information system in Guangzhou, as well as relevant field investigation reports, epidemic briefings and so on were conducted. Results In 2011, 51 cases of dengue fever, 33 cases of local infection and 18 cases of imported dengue fever were reported in Guangzhou City. The cumulative incidence rate was 0.4 / 100000 with no deaths. The imported cases accounted for 35.29% of the reported cases in the whole year. Except January, July and July, cases were reported in other months; a total of 1 public health emergencies were reported, which was an outbreak of dengue fever in Longfeng Street in Haizhu District (16 cases). Laboratory monitoring shows that in 2011, the epidemic strain of Guangzhou was Dengue type I virus. Conclusions Dengue epidemic in Guangzhou is in epidemic status in 2011. There are potential risks of dengue fever epidemic in Guangzhou due to imported cases or dengue cases from other places in Guangzhou.