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目的:分析阳江市2006年登革热暴发的流行病学特征,评价阳江市登革热监测系统的有效性及探讨应对该类事件的处理模式,为传染病的预防与控制提供参考。方法:采用回顾性流行病学调查方法对所有病例进行调查分析,用间接免疫荧光法进行登革热抗体检测,用布雷图指数进行蚊媒密度调查。结果:首例发病6月27日,末例9月2日,共发病22例,全年疫情流行曲线只在8月下旬出现1次发病高峰。布雷图指数在采取大规模的综合控制措施前最高达98.2,在采取控制措施后,蚊媒密度达到要求。结论:根据流行病学调查和实验室检测结果,可以确定该起疫情是登革热暴发流行。采取整治环境卫生、迅速杀灭成蚊、清除积水和隔离治疗病人等综合措施后,该疫区的疫情在较短时间内得到有效控制。
OBJECTIVE: To analyze the epidemiological characteristics of dengue outbreak in Yangjiang in 2006, evaluate the effectiveness of Dengue fever monitoring system in Yangjiang, and discuss the treatment mode to deal with such incidents so as to provide references for the prevention and control of infectious diseases. Methods: The retrospective epidemiological investigation method was used to investigate and analyze all the cases. The indirect immunofluorescence method was used to detect the dengue antibody, and the mosquito density was investigated with the Brett index. Results: The first case of onset on June 27, the last case on September 2, a total of 22 cases of disease, the annual epidemic curve only in late August peak incidence once. The Bretton Woods index reached a maximum of 98.2 before massive comprehensive control measures were taken and mosquito media density reached the required level after taking control measures. CONCLUSIONS: Based on epidemiological and laboratory tests, the outbreak was confirmed to be a dengue outbreak. After comprehensive measures such as remediation of sanitation, rapid killing of adult mosquitoes, removal of stagnant water and isolation of treatment patients, the outbreak in the affected area was effectively controlled within a relatively short period of time.