Elisa 4th Generation Window Period

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3rd or 4th generation elisas?

Posted by Anonymous, 1 Reply

I was wondering if any county health dept. around the country would be using elisas first generation. Is everyone using 3rd or 4th generation? Read more »

An arsenal of laboratory methods are available to screen blood, diagnose infection, and monitor disease progression in individuals infected by HIV. These tests can be classified into those that: (a) detect antibody, (b) identify antigen, (c) detect... Read more »

Elisa 4 generation Window period in Spain

Posted by Anonymous, 1 Reply

I tell you what she has said to me the doctor here in Spain brings over of the Elisa 4 generation (is a test of antibodies vih-1, vih-2 of 3 generation combined with a test of the antigen p24 ), has said to me that it is very sure from the first... Read more »

3rd gen ELISA and window periods???

Posted by jambo, 1 Reply

I know everyone is tired of these repeated discussions on window periods. I came across an article which mentioned that fourth generation tests reduce the window period by an average of 6 days over the 3rd gen tests, as a result of some research. ... Read more »

Eliza 4th generation

Posted by Anonymous, 1 Reply

The new Eliza 4th generation test tests for both antibodies and the virus itself. I don't know whether its already released to the general public. Anyway, a person testing negative for both after 30 days is considered hiv negative.No further tests... Read more »

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SANCTITY OF 4th GENERATION TESTS,PLEASE REPLY.DONATION AS PROMISED!!

Dear Doctor,I really want to ask that if the person really have to be tested at 3 months mark then what is the sanctity of 4th Generation Tests claiming to be exponentially reducing the window period?Then even today also one is relying on 3rd...

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation

Hello AS,There is no "sanctity" of fourth generation tests or DUO tests. I have no doubt that improvements in HIV testing are increasing the accuracy of diagnostic testing and shortening the window period. However, I base my responses on... Read more »

4th generation test

Dr Bob,first of all you are a great brave man. now to my case: i had unprotected sex with a woman with unknown hiv status, 35 days later i got tested with a 4th generation hiv eia test (HIVcombi detect antibody and the antigen p24)and it was...

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation

Hello Scared Boy,I wish I could give you an all-clear definitive WOO-HOO, but I can't. We just don't have enough data to say that a negative EIA combined with a p24 antigen test at 35 days is conclusive. For a definitive result,... Read more »

Writing for 4th time, pls do respond, else i shall die, HLA-B27 +ve effecting ELISA HIV Test

Dear Doc.I have tried to view all the acrchieves but could not get my answer. I am writing for the 4th time, pls do respond.I had an unprotected oral followed by a protected vaginal sex ( i do not remember any condom slippage or things like that )...

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation

Hello,Your HIV risk was extremely low at best. Your symptoms have been linked to other ailments appendicitis, giardiasis, duodenal ulcer with H. pylori, etc. Your HIV tests all 16 of them out to 17 months post-potential exposure are negative.... Read more »

Testing - 4th genration window

Is the window still 6 months for 4th genration tests? Is the Home Access Express 4th generation? Separate topic: If I'm still in the window for ELISA (I'm at 3-4 months, and hearing that 6 is the window), specifically what other test is...

Response from Mark Holodniy, M.D., F.A.C.P., C.I.C.

Stanford University, School of Medicine

4th generation tests are usually referred to those that combine antibody and p24 antigen testing in the same test. HomeAccess only detects antibodies to HIV-1.... Read more »

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