Figure 3From: Needle and syringe programs in Yunnan, China yield health and financial return Results of epidemiological model with IDU population size scaling factor 4.0 times the registered number of IDUs. (a) Extracted published prevalence data [9] and model-based estimates of HIV prevalence among IDUs in Yunnan with and without NSPs; (b) model-based estimates of HIV incidence among IDUs in Yunnan with and without NSPs; (c) Estimated cumulative number of HIV infections averted due to NSPs; (d) Estimated cumulative number of AIDS deaths, people on ART, and people in treatment-eligible stage averted due to NSPs.Back to article page