Cartographic maps of HIV prevalence shown for healthcare districts and stratified by gender. HIV prevalence is characterized for each healthcare district for (A) women and (B) men into the following categories: 11 to 16% (blue), 17 to 21% (green), 22 to 26% (yellow), 27 to 31% (red). For each healthcare district, the population in the urban center is indicated by the size of the circle. Within each circle, the gray region represents the proportion of HIV-positive individuals who live in the urban center, and the white represents the proportion that live in rural areas.
Coburn et al. BMC Medicine 2013 11:224 doi:10.1186/1741-7015-11-224