Figure 2

Sketch map of the islands within Bufumiri sub-county and distribution and abundance of Biomphalaria at each of the 15 sampled sites. Note that at site B005, snails could be found in marshy fringes (B005a) as well as within the lake proper (B005b). Snails shedding schistosome cercariae were found at 3 sites (B006, B008 and B010) clearly affirming the local risk-of-infection with S. mansoni for people conducting water contact at these sites.