20 0 2年 6月以来 ,我国西北、西南和华南部分省份连续强降雨 ,部分地区遭受了洪涝灾害。在洪涝灾害期间 ,气温较高、气候潮湿 ,蚊子容易孳生。因此 ,蚊媒传播的传染病 ,如乙型脑炎、疟疾、登革热等 ,成为严重威胁灾区人民健康的重要疾病。杀灭蚊虫、切断传播途径是预防这类疾 Since June last year, some provinces in northwest, southwest and southern China have suffered heavy and continuous rainfalls and some areas have suffered floods and floods. During the floods, the temperatures are high, the climate is humid and the mosquitoes are easy to breed. Therefore, mosquito-borne infectious diseases such as Japanese encephalitis, malaria and dengue fever have become serious diseases that threaten the health of people in disaster areas. Kill mosquitoes, cut off the route of transmission is to prevent such diseases