Evaluating the BED capture enzyme immunoassay to estimate HIV incidence among adults in three countries in sub-Saharan Africa
SOURCE: Aids Research and Human Retroviruses
OUTPUT TYPE: Journal Article
PUBLICATION YEAR: 2010
TITLE AUTHOR(S): A.A.Kim, J.S.McDougal, J.Hargrove, T.Rehle, V.Pillay-Van Wyk, A.Puren, A.Ekra, M-Y.Borget-Alloue, C.Adje-Toure, A.S.Abdullahi, L.Odawo, L.Marum, B.S.Parekh
KEYWORDS: ADULTS, HIV/AIDS, SUB-SAHARAN AFRICA
DEPARTMENT: Public Health, Societies and Belonging (HSC)
Print: HSRC Library: shelf number 6587
HANDLE: 20.500.11910/4028
URI: http://hdl.handle.net/20.500.11910/4028
OUTPUT TYPE: Journal Article
PUBLICATION YEAR: 2010
TITLE AUTHOR(S): A.A.Kim, J.S.McDougal, J.Hargrove, T.Rehle, V.Pillay-Van Wyk, A.Puren, A.Ekra, M-Y.Borget-Alloue, C.Adje-Toure, A.S.Abdullahi, L.Odawo, L.Marum, B.S.Parekh
KEYWORDS: ADULTS, HIV/AIDS, SUB-SAHARAN AFRICA
DEPARTMENT: Public Health, Societies and Belonging (HSC)
Print: HSRC Library: shelf number 6587
HANDLE: 20.500.11910/4028
URI: http://hdl.handle.net/20.500.11910/4028
If you would like to obtain a copy of this Research Output, please contact Hanlie Baudin at researchoutputs@hsrc.ac.za.
Abstract
Serological assays for estimating HIV-1 incidence are prone to misclassification, limiting the accuracy of the incidence estimate. Adjustment factors have been developed and recommended for estimating assay-based HIV-1 incidence in cross-sectional settings. We evaluated the performance of the recommended adjustment factors for estimating incidence in national HIV surveys in three countries in sub-Saharan Africa. The BED-capture enzyme immunoassay was applied to stored blood specimens from (1) pregnant women aged 15-49 years attending antenatal clinics in Cote d'Ivoire (1998-2004), (2) adults aged 15-49 years participating in a demographic health survey in Kenya (2003), and (3) adults aged 15-49 years participating in a national household serosurvey in South Africa (2005). Assay-derived incidence estimates were corrected for misclassification using recommended adjustment factors and, where possible, were compared to mathematically modeled incidence in the same populations. Trends in HIV prevalence were compared to trends in assay-derived incidence to assess plausibility in the assay-derived trends.-
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