Fig. 2From: Contrasting resistance patterns to type I and II pyrethroids in two major arbovirus vectors Aedes aegypti and Aedes albopictus in the Republic of the Congo, Central AfricaMortality rates of adult Aedes aegypti from the Republic of the Congo 24 h after exposure to insecticides alone or with 1 h pre-exposure to synergist. a, Brazzaville; b, Ngo. Error bars represent standard error of the mean. DDT, Dichlorodiphenyltrichloroethane. PBO, Piperonyl butoxideBack to article page