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Rare Subtypes And Western Blot

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Ask the Experts

Does confirmation of Western Blot mask HIV infection?

Hi. Have tested numerous times for HIV, but they've all had the confirmation testing. Does that mask whether a person is truly infected? Also, have heard of a Group O. Is there testing for that as well? And if so, what is it called?Thank you. ...
Robert J. Frascino, M.D.

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation
...is as follows. A screening HIV test (ELISA, EIA, rapid test, etc.) is run. If and only if this test is reactive (positive), a Western Blot test is run to confirm the preliminarily positive result. Regarding group O and group O testing, see... Read more »

seeking closure

Dear Dr BobThis is the resident with the occupational exposure again..Im quite relieved to test... Read more »
Articles
San Francisco AIDS Foundation

HIV Testing

...become more widely available to other test sites. The detuned test, which is used only after HIV antibodies are confirmed by a Western Blot test , can determine if the HIV infection is recent (within the last six months), which may be useful... Read more »
The Well Project

Myths About HIV

...usually been done two or more times. Before a positive antibody test result is reported, it is confirmed by another test called a Western Blot. According to the CDC, the combined accuracy of the antibody test plus the Western Blot is greater than... Read more »
The Well Project

What Is HIV?

...blood, mouth swab, or urine. Before a positive antibody test result is reported, it is confirmed by another test called a Western Blot. According to the CDC, the combined accuracy of the antibody test plus the Western Blot is greater than 99... Read more »
New York State Department of Health AIDS Institute

Diagnostic, Monitoring and Resistance Laboratory Tests for HIV

...HIV-2. AIDS 1994;8:S85-S93. Acquired immunodeficiency syndrome (AIDS). Proposed WHO criteria for interpreting results from Western blot assays for HIV-1, HIV-2, and HTLV-1/HTLV-II. Wkly Epidemiol Rec 1990;65:281-283. Louie M, Louie L,... Read more »
Connect With Others

Western Blot Test

Posted by yes1, 4 Replies
...What is the accuracy of the Western Blot at 7, 8, 9, and 10 weeks? Read more »

question please answer..

Posted by roma2010, 3 Replies
...her family in africa every couple years or so, now so far i have gotten done oraquick test twice, stat pak, pcr dna, elisa and western blot all negative, now will any of these test pick up these other weird strains or subtypes of hiv or do i have... Read more »

indeterminate western blot

Posted by help290
...indeterminate western blot means. In the past three years I had 7 antibody test and 1 pcr all negitive then the doctor gave me a western blot test that came back indeterminate,the very next day I got another antibody test at a free clinic that... Read more »

How much more sensitive is EIA than Western Blot?

Posted by Anonymous, 1 Reply
At detecting early infection? Read more »