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Hiv Western Blot Subtype N

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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 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 »

i got my closure :-)

Dear Dr BobWOOO-HOOOOOOOOOOOOOO!! Im so lucky to hear from you that my fears are wacky, else I... Read more »
The Body

HIV (Apparently) Comes From Gorillas: What This Means for the HIV Community

...RBF168") was diagnosed with HIV. Bienvenue en France! Several different HIV tests repeatedly came up positive, but her Western Blot results were a little weird. Scientists decided to investigate. They isolated her HIV and coded its... 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 »
The Center for AIDS

Treatment During Primary HIV Infection as a Method of Altering the Epidemic Spread of HIV?

...clinicians may be forced to make clinical judgments based on symptoms and epidemiological considerations. The most sensitive ELISA or Western blot assay, which are relatively inexpensive and readily available, cannot determine antibodies to HIV... Read more »
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 »
Connect With Others

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 »

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 »


Posted by SteveR, 1 Reply
...South America and Asia. Subtypes A through H of HIV-1 are found in Africa, along with HIV-2 in sub-Saharan Africa. The ELISA/Western blot tests can detect antibodies to all HIV-1 subtypes. Viral load tests can also detect and quantify subtypes... Read more »

test nuevos mas sensitivos

Posted by Anonymous
...samples from 10 patients given ART during PHI in 1994-1997 were examined using representative tests: two screening tests, one Western blot test, one test for HIV p24 antigen, and one HIV-RNA test. All tests employed were commercially available... Read more »