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Measurement of HIV-1-specific antibodies.
Plasma samples before initiation of cART and after 5 years of cART were tested for HIV-1-specific antibody levels using a detuned version of the HIV-1 VITROS assay (a) and a limiting antigen avidity assay (b). The dotted line represents the HIV-1 antibody assay diagnostic cut-off level used to classify individuals as HIV-1-positive or -negative. The p-values between groups were assessed using the Mann-Whitney test.
