False Negative NAT At 18 Weeks

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Negative NAT, and then Positive ECLIA

I had a low-risk (or no risk) exposure last July 14, 2012. It was protected sex and unprotected oral with a CSW (I am a straight male). I was told that I never had to test since it was a no risk exposure, but I still did to alleviate my anxiety.On...

Response from David Wohl, M.D.

University of North Carolina - Chapel Hill

This is what happens when good people take good HIV tests but get bad results. Your risk of a false positive was relatively high. This is because your exposure risk was so low. Therefore, on balance, the scales tip more in favor of a false... Read more »

NAT Positive, Spot test Negative

Hi, few days back I have donated blood to a blood bank and one of the women working there called me... Read more »

Response from David Wohl, M.D. »

NAT vs. antibody testing question

Hello~I have read several posts on this site that discuss NAT and how accurate those tests are, but... Read more »

Response from David Wohl, M.D. »

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Articles

U.S. Centers for Disease Control and Prevention

South Africa: Transfusion of Blood Safer From HIV Than Ever

The introduction of nucleic acid amplification testing (NAT) for HIV by the South African National Blood Service has significantly cut the risk of being infected through transfusion, an SANBS official said recently. The remark followed reports of a... Read more »

San Francisco, NYC Report False Positives From OraQuick Oral HIV Test; CDC to Issue Advisory Recommending Additional Test

CDC this week will issue a public health advisory recommending that all HIV-positive results from OraSure Technologies ' oral, rapid HIV tests be followed up by the company's rapid "finger stick" test after reports of an "unusual" number of... Read more »

FDA Approves First Nucleic Acid Test (NAT) System to Screen Whole Blood Donors for Infections With Human Immunodeficiency Virus (HIV) and Hepatitis C Virus (HCV)

The Food and Drug Administration has licensed the first nucleic acid test (NAT) system intended for screening donors of whole blood and blood components intended for use in transfusion. This test system can simultaneously detect the presence of HIV... Read more »

San Francisco Clinics Getting High False-Positive Rate on Oral HIV Test

According to San Francisco Department of Public Health officials, analyses of more than 6,000 rapid-result oral HIV tests conducted in city public health clinics since spring found 47 positive results in patients who were negative in follow-up... Read more »

Connect With Others

NAT positive, but still have a question

Posted by paper_plane, 1 Reply

I have a question, probably just me being in denial about this whole thing, but i went in for a rapid HIV test because the week before i got strep, went to the doctor and tested positive for it, and i knew that could be a sign of HIV infection. I... Read more »

Diverse strains, False negative

Posted by StupidMe, 1 Reply

Hi folks,
I posted on here quite a while ago now but, im still worried. Probably more than ever!! The story goes that I had drunken sex with a CSW in Germany. It started out as protected but, I cant remember if it stayed that way as it ended with a... Read more »

NAT testing

Posted by Anonymous, 2 Replies

What exactly is NAT testing? I have heard that blood banks use this technology to test the blood supply to make sure it is safe.
I have recieved a 13 week negative so I'm good to donate but still a little gun-shy. I guess I am just wondering how... Read more »

NAT testing

Posted by Anonymous, 2 Replies

Does anyone know anything about Nucleic Acid Testing (NAT) I was told that blood banks use it to seek the virus in donated Blood. How effective is it? I have had numberous negitive Elisa test from home Access over the past six months( with no risky... Read more »

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