Figure 1From: Rural health centres, communities and malaria case detection in Zambia using mobile telephones: a means to detect potential reservoirs of infection in unstable transmission conditionsElevation/Contour map of the Rural Health Centre Study Area in Choma/Namwala Districts, Southern Province, Zambia. Rural Health Centres collaborating are names and indicated. Drainage lines and river systems are indicated in categories. Category 1 is a simple drainage line that flows during and shortly after rain, Category 6 is a permanent large river.Back to article page