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Labcorp Testing - Anyone know this anwer?
#194705 - 06/06/06 08:02 AM
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What is EIA methodology? I called to see "which" HIV antibody test is performed in their labs, and that was her answer. Not ELISA, and they don't check for HIV2. I am concerned. Someone please clarify for me, because I'm not so sure she had enough info. Thanks.
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SteveR
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Legend
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Reged: 07/19/05
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Posts: 576
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EIA is a standard antibody test. I often refer to it interchangeably with ELISA, though technically they're different -- they do the same thing. If positive, an EIA must be confirmed with a Western Blot or other confirmatory test.
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If you test at 13 weeks post exposure, the generation of Elisa test does not matter, if a person is infected it will show up on any generation of Elisa test at 13 weeks.
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Thank you. So EIA is a generation of ELISA? I was tested up to 40 weeks actually. SO do you think it would have also detected small amounts of HIV2 by this time as well (if i were infected)? I heard that it's very sensitive.
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sunkyst
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Master
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Reged: 03/22/06
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HIV-2 is most prevalent in west African countries.
Since the 1980s, there have only been a handful of cases of HIV-2 in the US.
Unless you had unprotected sex somewhere in Africa or had unprotected sex with someone from that region, you really don't need to worry about it, it's incredibly rare here in the US.
An Elisa test for HIV-1 is very often indeterminate or weakly positive when HIV-2 antibodies are detected.
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