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HIV Diagnostic TestingQuestion 6/10

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A 23-year-old woman is seen in a sexual health clinic and was diagnosed with rectal chlamydia. Evaluation included HIV testing with an HIV-1/2 antigen-antibody immunoassay, and the test shows a reactive result. As part of your laboratory’s algorithm, an HIV-1/HIV-2 antibody supplemental (differentiation) assay is performed next.

Which one of the following is TRUE regarding the HIV 1/2 supplemental diffferentiation assays?

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Question Last Updated
February 26th, 2026

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