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. 2007 Dec;77(6):1163-9.

Geographic distribution of human immunodeficiency virus in South Africa

Immo Kleinschmidt  1 , Audrey Pettifor, Natashia Morris, Catherine MacPhail, Helen Rees
Affiliations

Geographic distribution of human immunodeficiency virus in South Africa

Immo Kleinschmidt et al. Am J Trop Med Hyg. 2007 Dec.

Abstract

In common with most countries, little is know about the geographic distribution of human immunodeficiency virus (HIV) in South Africa. Variations in HIV infection of persons 15-24 years of age were modeled and mapped using generalized linear spatial models and Bayesian prediction based on data from a national HIV household survey conducted in 2003 and comprising 11,904 youth from approximately 700 enumeration areas that were randomly selected from the national census. The maps show considerable variation in HIV prevalence within provinces. The lowest levels were found in inland rural areas of the Western Cape, and the highest in northwestern parts of KwaZulu Natal, southern Mpumalanga, and eastern Free State. Prevalence of HIV was associated with ethnicity, urban status, and unemployment. Detailed maps of HIV prevalence can be effectively used in guiding and focusing intervention programs to areas of particular need.

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Figures

Figure 1
Figure 1
Observed prevalence of human immunodeficiency virus in 15–24 year-old persons at survey sample locations in South Africa, 2003.
Figure 2
Figure 2
Prevalence of human immunodeficiency virus and 95% confidence limits predicted from spatial models for 15–24 year-old persons in South Africa, 2003. LP = Limpopo Province; MP = Mpumalanga; KZ = KwaZulu Natal; FS = Freestate; EC = Eastern Cape; WC = Western cape; NC = Northern Cape; NW = North West; GP = Gauteng Province.
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