福州郊区登革热媒介防制措施与效果

目的：1999年夏秋季福州郊区发生登革热暴发流行，白纹伊蚊是当地传播媒介，为迅速控制疫情，在流行区实施以灭蚊为主的防制措施，方法：开展以健康教育，环境治理，清除无用积水和减少媒介滋生环境为主的爱国卫生运动，使用高效氟 氰菊酯和强力克敌等拟除虫菊酯类杀虫剂，以20mg/m2实行滞留喷洒和空间喷洒灭蚊，灭蚊前，后调查白纹伊蚊种群密度，以房屋指数，容器指数，布雷图指数和成蚊刺叮率评价效果，结果：灭蚊前白纹伊蚊房屋指数56．5，容器指数54．5，布雷图指数175．5；灭蚊后分别下降为2．4，11．5和4．0，下降率分别为95．8％，78．9％和97．8％，刺叮率从灭蚊前平均42．3只／人工小时下降为零，从10月12日后未再发现新病例，结果：防制制度得当有效，白纹伊蚊种群密度显著下降，登革热流行迅速得到控制。

Effect and Measures of Control on the Vector of Dengue in Suburban of Fuzhou City

Objective:A epidemic Dengue was broke in suburban distric of Fuzhou city in 1999. Aedes albopictus was proved the transmitting vector in the locality. The main measures were carriedout with the vector control to break down the epidemic dengue rapidly. Methods:The patriotic public health campaign were operated that the discarded countainers proper were disposed to be reducted the breeding of Aedes albopictus and Beta-cyfluthrin carried out residual spraying in 20mg/m 2. Result:The average house index 56.5 and countainer index 54.5 and the Breteau index 175.5 . The sucking rate was 42.3 per hour and man befor the control.The result in the reinvestigation shown that the house index was reduced to 2.4 and countainer index 11.5 and the Breteau index 4.0 respectively. The sucking rate was zero after the control. Conclusions: The density of Aedes albopictus was reduced obviously. The epidemic dengue was abstructed rapidly and the case not found from 12 October.