What are the different HIV screening tests available in the U.S.?

Armen Hareyan's picture
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In most cases the EIA (enzyme immunoassay), performed on blood drawn from a vein, is the standard screening test used to detect the presence of antibodies to HIV. A reactive EIA must be used with a follow-up confirmatory test such as the Western blot to make a positive diagnosis.

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There are EIA tests that use other body fluids to identify antibodies to HIV. These include:

Oral Fluid Tests

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