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随首卫生杀虫剂的大量使用,蚊蝇的抗性问题越来越成为人们关注的重点,特别是给防制工作带来很多困难。为解决这一问题,我们卫生防疫部门的各级人员已做了大量工作。据统计,截止1988年全国范围内参加蝇类抗性调查的有29省(自治区、直辖市),在241个市(县)的804个据点内,进行了2254轮次的家蝇对5种杀虫剂的抗性调查,其中河北省进行了240轮次,为我们的防制工作起了积极的指导作用。1992年,我们又对河北13个地(市)的蚊蝇进行了3种杀虫剂的抗性监测,基本上摸清了我省大部
With the extensive use of primary health insecticides, the resistance of mosquitoes and flies has become a more and more important issue. In particular, it has brought many difficulties to the prevention and control work. To solve this problem, a great deal of work has been done at all levels of our health and epidemic prevention departments. According to statistics, up to 1988, there were 29 provinces (autonomous regions and municipalities directly under the Central Government) participating in the flies resistance survey across the country. In 804 bases of 241 cities (counties), 2254 rounds of domestic flies were killed Insecticide resistance surveys, of which Hebei conducted 240 rounds, played a positive guiding role in our prevention work. In 1992, we again conducted a survey on the resistance of three kinds of insecticides to mosquitoes and flies in 13 places (cities) in Hebei Province, basically finding out that most of our province