Susceptibility of mosquito strains to permethrin-treated papers (0.75%) in WHO cylinder bioassays.

*samples were collected as larvae from breeding sites close to the experimental huts in Akron during the trial,$LT50 = time taken for 50% of mosquitoes to be killed.本试验期间，从阿克伦（Akron）实验小屋附近的滋生地采集了幼虫样本；半致死时间（LT50）指50%蚊虫被杀死所需的时长。