Figure 4From: Lymphatic filariasis control in Tanzania: effect of six rounds of mass drug administration with ivermectin and albendazole on infection and transmission Effect of six rounds of mass drug administration (MDA) on Wuchereria bancrofti microfilaria prevalence. Brown line = all four hamlets of Kirare in survey 1-6; Green line = two hamlets of Kirare (Mtambuuni, Mashine) in survey 1-8; Red lines = one hamlet of Kiomoni (Mabavu) and one hamlet of Kisimatui (Majengo) in survey 7 and 8. In survey 1-6 all individuals ≥ 1 year were examined for mf. In survey 7 and 8 all individuals ≥ 1 year were first examined for CFA, and those positive were examined for mf. Vertical stippled lines indicate rounds of MDA.Back to article page