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目的分析广州市白云区2014年登革热流行病学特征,为制定登革热预防控制措施提供科学依据。方法对各医院报告的病例进行流行病学调查,采集病例血清进行登革热病原学检测,使用布雷图指数及标准间指数、成蚊密度进行蚊媒密度调查,在疫点周围开展病例搜索。结果该次疫情流行历时5个月,共发病11 825例。男性5 909例,女性5 916例;发病年龄最小为出生后1天,最大107岁,以青壮年及老年人为主,20~29岁占24.63%,>50岁组占24.10%。职业分布以家务待业、离退休人员、工人发病较高。结论 2014年白云区登革热流行形势严峻,在实践中不断探索和完善登革热预防控制技术和管理模式能有效地预防控制其发生和流行。
Objective To analyze the epidemiological characteristics of dengue fever in Baiyun District of Guangzhou in 2014 and provide a scientific basis for dengue prevention and control measures. Methods Epidemiological investigation was conducted on the reported cases in each hospital. Serum samples were collected for pathogenic dengue etiology, and the density of mosquitoes was surveyed using the Brettizer index and standard deviation index, mosquito density, and cases were searched around the epidemic spots. Results The epidemic took 5 months and 11 825 cases were reported. There were 5 909 males and 5 591 females. The minimum age of onset was 1 day after birth and the maximum was 107 years old. The main diseases were young adults and the elderly, accounting for 24.63% of 20-29 years old and 24.10%> 50 years old. Occupational distribution to homeowners, retired staff, workers higher incidence. Conclusion The prevalence of dengue fever in Baiyun District in 2014 is very grim. In practice, continuous exploration and improvement of dengue fever prevention and control technologies and management models can effectively prevent and control the occurrence and prevalence of dengue fever.