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. 2010 Apr;26(4):401-5.
doi: 10.1089/aid.2009.0236.

Short communication: Prioritizing communities for HIV prevention in sub-Saharan Africa

Till Bärnighausen  1 , Frank Tanser, Timothy Hallett, Marie-Louise Newell
Affiliations

Short communication: Prioritizing communities for HIV prevention in sub-Saharan Africa

Till Bärnighausen et al. AIDS Res Hum Retroviruses. 2010 Apr.

Abstract

HIV prevalence is the most commonly used measure to prioritize communities for HIV prevention. We show that data on two HIV infection stages (early vs. nonearly and late vs. nonlate) allow estimation of two better measures of prevention need: HIV incidence (for prevention of HIV acquisition) and expected probability of HIV transmission in unprotected sex acts between HIV-infected community members and susceptible individuals (for prevention of HIV transmission). The three ranking schemes--by prevalence, incidence, and transmission probability--lead to significantly different community rank orders. Disease stage information should be collected in HIV surveys.

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Figures

FIG. 1.
FIG. 1.
Community ranking according to HIV prevalence, incidence, and transmission probability. Each homogeneously colored area is a traditional Zulu community, Isigodi. The numbers in the areas represent the community rank according to HIV prevalence (A), incidence (B), and transmission probabilities (C).
See this image and copyright information in PMC

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