Malaria cases and Anopheles sergentii breeding sites in Cairo. Malaria cases and Anopheles sergentii breeding sites in Cairo. Map of Cairo showing locations of 139 recorded Plasmodium vivax malaria cases (red circles) and eight water sources that tested positive for the malaria vectors An. sergentii and/or An. pharoensis (green triangles); 51 other water sources that were negative for anopheline vector species are shown as blue squares. (B) the resulting geoprofile, omitting locations of malaria cases. The seven sites positive for An. sergentii ranked 1-6 and 22 out of 59 in our analysis.