A graphic illustration of the estimated maximum achievable biological coverage of all blood resources (C
) utilized by the vector species described in Figures1,2,7,8and9, for which estimates of both the proportion of blood meals obtained from humans ( Q
) and the proportion of human blood meals obtained indoors ( π
) were available. The width of the grey rectangles relative to that of the white squares represents the limit of personal protection and derived community-wide reduction of mutual human-vector exposure, while their relative area represents the achievable limit of biological coverage of all blood resources that determines the extent to which the density and survival of the vector population can be controlled[8, 10, 11, 13].