APOPO is a social enterprise that researches, develops, and deploys detection rat technology for humanitarian purposes. APOPO's HeroRATs provide second-line screening of TB samples from collaborating DOTS Centers.

Nairobi Slums TB Project was started to bring TB testing facilities closer to the people in the slums of Nairobi. The overall objective of the project is to enhance prevention and care of tuberculosis through intensified case finding in the communities, through community health workers.