Tuberculosis (TB) kills more people than any other infectious disease and is the leading cause of AIDS-related death globally. Preventive therapy substantially reduces the risk of TB among people living with HIV, however socioeconomic barriers often inhibit patients from completing the full course of therapy. In Tanzania—where one in three TB patients are HIV-positive—recent coinciding policies have scaled up both the delivery of TB preventive therapy and the role of community health workers to support retention in care among HIV-positive patients. Building on a current collaboration studying financial incentives for people living with HIV in Western Tanzania, researchers will conduct an experiment to evaluate whether a socioeconomic intervention comprised of financial incentives plus optimized community health worker engagement improves adherence to TB preventive therapy.
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