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Figure 3 | BMC Public Health

Figure 3

From: Needle and syringe programs in Yunnan, China yield health and financial return

Figure 3

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.

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