Contact investigation is one public health measure used to prevent tuberculosis by identifying and treating persons exposed to Mycobacterium tuberculosis. Contact investigations are a major tenet of global tuberculosis elimination efforts, but for many reasons remain ineffective. We describe a novel neighbor-based approach to reframe contact investigations.
Keywords: Botswana; GIS; Mycobacterium tuberculosis; TB; bacteria; contact investigation; contact tracing; geographic information systems; mapping; nearest neighbor; neighborhoods; prevention; respiratory diseases; transmission; tuberculosis; tuberculosis and other mycobacteria.