Abstract
We have developed a combination immunoblot (combi-blot) for simultaneous detection and differentiation of HIV-1 and HIV-2 antibodies using HIV-1 lysate and HIV-1 and HIV-2 synthetic peptide antigens in a single assay. Minimal modification in antigen strip preparation and no modification in assay procedure of the current HIV-1 Western blot protocol was required. Implementation of this combi-blot following the use of the combination HIV-1/-2 enzyme immunoassay would simplify the current HIV testing algorithm and increase the accuracy of HIV-2 surveillance.
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