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本文报道了在非洲津巴布韦东北部的超高疟区使用溴氰菊酯(deltamethrin或decamethrin)微胶囊混悬剂进行室内滞留喷洒的防疟效果观察。当地主要的传疟媒介为阿拉伯按蚊和冈比亚按蚊,媒介高峰和疟疾高峰季节分别为3、4月和4、5月。试验选择3个观察区:一个为溴氰菊酯喷洒区,面积约50km~2,于1983年1月喷洒,另一个为DDT喷洒区,于1982年10月喷洒,第三个地区未喷洒作为对照。溴氰菊酯微胶囊制剂为2.5%混悬液原液,经测定,平均浓度为
This article reports the anti-malarial effects of indoor spraying with deltamethrin or decamethrin microcapsules as suspension in a malaria endemic area in northeastern Zimbabwe, Africa. The main vectors for transmitting malaria in the local area are Anopheles gambiae and Anopheles gambiae. The peak season for media and malaria is in April, April and April and May respectively. Three observation areas were selected for the experiment: one was a deltamethrin spraying area with an area of about 50 km 2, spraying in January 1983 and the other in the DDT spraying area, spraying in October 1982 and the third area without spraying Control. Deltamethrin microcapsule preparation was 2.5% suspension stock solution, the average concentration was determined