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Comparison of cross-sectional HIV incidence assay results from dried blood spots and plasma
(Public Library of Science, 2017-02-23)Background: Assays have been developed for cross-sectional HIV incidence estimation using plasma samples. Large scale surveillance programs are planned using dried blood spot (DBS) specimens for incidence assessment. ... -
High prevalence of self-reported undiagnosed HIV despite high coverage of HIV testing : a cross-sectional population based sero-survey in South Africa
(Public Library of Science, 2011-09-28)Objectives To measure HIV prevalence and uptake of HIV counseling and testing (HCT) in a peri-urban South African community. To assess predictors for previous HIV testing and the association between the yield of previously ... -
Recalibration of the limiting antigen avidity EIA to determine mean duration of recent infection in divergent HIV-1 subtypes
(Public Library of Science, 2015)Background: Mean duration of recent infection (MDRI) and misclassification of long-term HIV-1 infections, as proportion false recent (PFR), are critical parameters for laboratory-based assays for estimating HIV-1 ...