The association of HIV serodiscordance and partnership concurrency in Likoma Island (Malawi)

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Abstract

Although the association of partnership concurrency and HIV prevalence has been studied in sub-Saharan settings, the impact of concurrency on HIV transmission has not. We investigated the association between concurrency and HIV serodiscordance in 142 ongoing marital and nonmarital relationships in which both partners were traced and tested for HIV. Our results suggest that multiple concurrent partnerships significantly increase exposure to HIV infection in the population of Likoma (Malawi). We highlight the potential role of behavioral interventions addressing partnership concurrency for HIV prevention.

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