论文部分内容阅读
蚊是人类的重要害虫,它不仅直接侵袭人类,而且是多种疾病的传染媒介,给人类造成严重的威胁。据统计,蚊虫还可将39种致病的病毒传播给人类。为了控制蚊虫危害,第二次世界大战后发展起来的化学农药曾发挥良好的杀蚊效果。但由于蚊虫对化学杀虫剂产生的抗药性,使得世界卫生组织的全球性灭疟计划于60年代末期宣告破产。世界卫生组织从1966年开始着手在世界各国分离可杀蚊类的微生
Mosquito is an important pest of human beings, it not only directly affects humans, but also is a vector of many diseases, posing a serious threat to human beings. According to statistics, mosquitoes can also spread 39 kinds of pathogenic virus to humans. In order to control mosquito hazards, chemical pesticides developed after the Second World War have exerted good mosquito killing effect. However, due to the resistance of mosquitoes to chemical insecticides, the World Health Organization’s global plan to eliminate malaria was declared bankrupt in the late 1960s. WHO started in 1966 to separate mosquito-killing microorganisms from all over the world