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A 38-year-old man is tested for HIV with a laboratory-based HIV-1/2 antigen-antibody immunoassay. The test result is positive and the follow-up HIV-1/2 differentiation assay result is positive for HIV-2 and negative for HIV-1.

In the United States, from 2010-2017, approximately what percentage of all cases of HIV diagnosed in the United States were HIV-2?

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Question Last Updated
February 2nd, 2025

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