Fig. 3

WHO bio-assay results against susceptible An. gambiae s.s. (Ifakara strain). a Percentage KD60, b WHO cone assay percentage 24-h mortality. c Tunnel test percentage 24-h mortality, d percentage blood-feeding inhibition. In all graphs the dashed line is the WHO cut off criteria, 95% for KD60, 80% for mortality, and 90% for blood-feeding inhibition. c, d Do not have 95% CI, since only one sample per condition, that failed in cone bioassays was re-tested in WHO Tunnel test as per WHO guideline [8]