The Body: The Complete HIV/AIDS Resource
Follow Us Follow Us on Facebook Follow Us on Twitter Download Our App
Professionals >> Visit The Body PROThe Body en Espanol

How Many Times Do You Test Hiv With Elisa Before Doing Western Blot To Confirm

Here's a taste of what has to offer on this topic:
Ask the Experts

Pregnant, + ELISA, indeterminate western blot (PREGNANCY AND INDETERMINATE WESTERN BLOT TEST, 2010)

I saw some threads about this subject - my OB informed me of a positive ELISA test and indeterminate western blot for HIV in my pregnancy bloodwork. He has now drawn more blood to send off for a PCR test. From research I've done, it is really rare...
Robert J. Frascino, M.D.

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation
...recent sex partners to get tested.Response from Dr. FrascinoHello,Indeterminate Western Blot tests account for 4% to 20% of Western Blot assays in various studies. The causes of indeterminate results include:1. Serologic tests in the process of... Read more »


a while back doctor you told me to stop playing russian roulette and i took your advice. i... 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 »
Rick Sowadsky, M.S.P.H.

HIV Antibody Tests -- Now You Have Several Choices

...the test is negative, you will know in 15-30 minutes. If it is positive, you will still have to take the standard ELISA and Western Blot tests for confirmation. This is because the SUDS test can occasionally show a false positive result. In other... 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 »
Rick Sowadsky, M.S.P.H.

Frequently Asked Questions About AIDS (II)

...considered a negative result overall, and this means that no antibodies were found. ELISA tests are either positive or negative. Western Blot tests however, can be positive, negative or indeterminate. An indeterminate test means that the test... Read more »
Connect With Others

western blot

Posted by Anonymous, 2 Replies
...does the western blot take longer to turn positive than the elisa test ? how many weeks ? Read more »


Posted by Anonymous, 3 Replies
...(Remeber these test are done for diagnostic purposes) Any RESULTS must be confirmed with a ELISA, and if ELISA Positive, a Western Blot test. Western Blot test (WB) - This is the test used to actually diagnose HIV. If you have a Reactive... Read more »

My test result

Posted by Anonymous, 1 Reply
...which lasted for one day. It was a very quick recovery. which seems a little strange I went to my GP and my GP did ELISA and Western Blot Test at 2 weeks post-exposure. Elisa (negative). Western Blot came up with a weak band p24 My GP suggested... Read more »

rapid tests vs. ELISA (Dr. Bob's answer!!)

Posted by JillianB, 2 Replies
...(first three months post-exposure). A positive test is considered a preliminary positive result and needs to be confirmed with a Western Blot or IFA. Turning specifically to the OraQuick test, the sensitivity is 99.6% and the specificity is... Read more »