Figure 5From: An exploratory GIS-based method to identify and characterise landscapes with an elevated epidemiological risk of Rhodesian human African trypanosomiasis Case and control high overlap areas. True colour Landsat ETM+ composite of study area highlighting case (red) and control (black) high overlap areas in the first (a), second (b), third (c) and fourth (d) annual periods, also with close up images of high overlap areas with land cover classes.Back to article page