Résumé :
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[BDSP. Notice produite par INIST pR0xjtjc. Diffusion soumise à autorisation]. Objectives. The authors evaluated the cost-effectiveness of a commmunity-level HIV prevention intervention that used peer leaders to endorse risk reduction among gay men. Methods. A mathematical model of HIV transmission was used to translate reported changes in sexual behavior into an estimate of the number of HIV infections averted. Results. The intervention cost $17150, or about $65000 per infection averted, and was therefore cost-saving, even under very conservative modelling assumptions. Conclusions. for this intervention, the cost of HIV prevention was more than offset by savings in averted future medical care costs. Community-level interventions to prevent HIV transmission that use ixisting social networks can be highly cost-effective.
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