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1990年入夏后,天气持续高温,蚊虫密度不断上升,南阳地区乙脑呈暴发流行趋势。为控制疫情,于8月9～15日进行飞机喷药灭蚊,以控制疫情蔓延。兹报告如下: 一、材料与方法: 1.药物及喷洒方法:将天津产80%敌敌畏乳油用水稀释至2%装入运5飞机储药仓,在晴天无风或微风之黄昏或黎明,对护城河、梅溪河、温凉河、三里河及白河两岸等蚊虫孽生地喷洒药物灭蚊;间隔2日重复1次,共3次。喷药量3000ml/亩。
After entering the summer in 1990, the weather continued to be hot and the mosquito density kept on rising. The epidemic trend of Japanese encephalitis in Nanyang Prefecture was reported. To control the outbreak, aircraft spraying and mosquito control were carried out on August 9 and 15 to control the spread of the outbreak. We hereby report the following: 1.Materials and Methods 1. Drugs and Spraying Methods: Dilute 80% of the dichlorvos in Tianjin with water to 2% into the 5-position storage bin at dusk or dawn without wind or breeze on a clear day Moat, Meixi River, Wenliang River, Sanlihe and Baihe River mosquito and other places to spray drugs to eliminate mosquitoes; interval 1 2 times, a total of 3 times. Spraying amount 3000ml / mu.