Original Paper

AIDS and Behavior

, Volume 14, Issue 1, pp 11-16

Concurrent Sexual Partnerships and the HIV Epidemics in Africa: Evidence to Move Forward

  • Timothy L. MahAffiliated withAIDS Prevention Research Project, Harvard School of Public Health Email author 
  • , Daniel T. HalperinAffiliated withDepartment of Global Health and Population, Harvard School of Public Health

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Abstract

The role of concurrent sexual partnerships is increasingly recognized as important for the transmission of sexually transmitted infections, particularly of heterosexual HIV transmission in Africa. Modeling and empirical evidence suggest that concurrent partnerships—compared to serial partnerships—can increase the size of an HIV epidemic, the speed at which it infects a population, and its persistence within a population. This selective review of the published and unpublished literature on concurrent partnerships examines various definitions and strategies for measuring concurrency, the prevalence of concurrency from both empirical and modeling studies, the biological plausibility of concurrency, and the social and cultural underpinnings of concurrency in southern Africa.

Keywords

HIV prevention Concurrent sexual partners Heterosexual transmission HIV epidemiology