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Fig. 2 | Health Research Policy and Systems

Fig. 2

From: Setting priorities in health research using the model proposed by the World Health Organization: development of a quantitative methodology using tuberculosis in South Africa as a worked example

Fig. 2

Amended model based on the original WHO model. DALYs are represented as a product of disease burden (incorporating both incidence and prevalence measures) and DALYs due to the disease per person. DALYs which are currently being averted are appended to the ends of the axes, while those that currently exist could be averted with either health systems research to improve efficiency, biomedical research to reduce the cost of existing interventions, or research on new interventions to tackle the portion of the burden that not even the best existing interventions can avert

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