The World Health Organization's leadership in global TB control (WHO Stop TB Department) has enabled it to establish the flow of information necessary for the iterative process of setting and developing policy and monitoring its implementation. WHO surveys events within the health arena, annually collects data from over 200 countries on TB control performance, harvests research results, analyses these data, assesses diverse opinions, and brings all this together into policy debate within the WHO.

WHO plays a major role in providing technical assistance and brokering resources for policy implementation and monitoring the impact of policy. In rapidly evolving policy areas, such as TB/HIV, WHO also analyses the gaps in evidence and contributes to planning the future research agenda.

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