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Pcr Hiv Test Reliability

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hiv 1 pcr test on day 25 reliability?

Posted by curiousmann
Thanks for responses. I checked all internet about this hiv 1 pcr test and I am really confused now. I tested hiv 1 pcr test after 25 days on risky event, which is negative (undetected), threshold is <50 cp/ml. I will have antibody tests after... Read more »

Reliability of PCR test

Posted by tb75, 2 Replies
I was hoping that someone could attest to the reliability of the HIV PCR test at 3 weeks. I got tested at 22 days and it was negative, but I have seen conflicting reports as to the ability for the PCR to determine whether a person is positive or... Read more »

PCR reliablity?

Posted by Anonymous, 2 Replies

Home > Forum on Safe Sex and HIV Prevention > Answers to Current SafeSex Questions > Question:

very scared
Posted: Jul 31, 2001

Ryan, I put myself at risk to HIV a while back about 6 months. At the tenth week I developed thrush... Read more »

What type of HIV Test is more Reliable?

Posted by Anonymous, 2 Replies
My doctor is going to draw some blood on Thursday because I am pregnant and she does all type of pre-natal testing. I may be at risk due to sharing a lancet with someone who is gay but I don't know if he is HIV (see "Am I At Risk" post below). ... Read more »

reliability of PCR & bDNA at 8-9 weeks ?

Posted by Anonymous
after being driven mad by some symptoms after 2 weeks post exposure, i tested negative on PCR and bDNA after 9 weeks(post exposure). how reliable & conclusive are these tests at 8-9 weeks. what are the chances of a false negative ? i know I'll... Read more »
Ask the Experts

I BEG on my KNEES and ask your help...Will donate $50 and need your opinion on Reliability of Tridot (screen test) done in Mumbai, India. (PCR TESTS SHOULD NOT BE USED FOR ROUTINE HIV SCREENING, 2009

Dear Doctor, I have already written to you for about 5 times and will keep doing till I get your opinion on my questions please Doc......I am 27 years old guy from India and will definately donate $50...this is the max that I can afford. Comming on...
Robert J. Frascino, M.D.

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation
Hello,1.Yes, I would consider negative HIV-antibody tests at weeks 14 and 18 to be definitive. Certainly if you remain worried, the option for a six-month repeat test is always open to you.2.See above. HIV-antibody tests remain the best and most... Read more »

How reliable are the PCR and the bDNA tests?

The PCR and the bDNA tests are being used more often today, especially the bDNA test. Mr. Sowadsky, do you know how reliable these two tests are? I mean what is the false negative rate of them? Currenty is there any HIV infection due to different...
Rick Sowadsky, M.P.H.

Response from Rick Sowadsky, M.P.H.

Nevada State Health Division AIDS Program
Hi. Thank you for your question.There can be a wide degree of variance of the accuracy of these diagnostictests for HIV infection. In labs that have a lot of experience with thesetests, they are highly accurate tests. However, because they are... Read more »


Dear Dr. Bob:I recently engaged in a barebacking encounter with a male escort who swears he is negative. I understand that the conventional wisdom is not to believe such a representation. I was the insertive partner and this is the only possible...
Robert J. Frascino, M.D.

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation
Hello,Yeah, I agree. I don't think I'd believe a barebacking male escort even if he had a lie detector strapped to his Mr. Happy!So your risk is one episode of insertive anal sex with a guy of unknown HIV status. This does place you at... Read more »

How reliable is a PCR test

Hello Dr Bob,I would like to congratulate you on your work. I have been reading your forum for the last several weeks and your humor, and compassion are evident, and should be emulated by all health care professionals. After reading the many posts...
Robert J. Frascino, M.D.

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation
Hello,In general, PCR testing is not recommended for routine HIV screening, due to false-positive results, cost and other factors. The standard serological test consists of a screening EIA followed by a confirmatory Western Blot (WB). EIA screening... Read more »
Henry J. Kaiser Family Foundation

Economists Helping to Deliver Reliable Data About What Development Aid Works

"[F]inally, we're getting some reliable data suggesting how to" help people in developing countries because of economists, who "provide answers that are rigorously field-tested, akin to the way drugs are tested in randomized controlled trials,... Read more »
Henry J. Kaiser Family Foundation

N.Y. Legislature Approves Bill Allowing Access to PCR Test for Emergency Personnel Potentially Exposed to HIV

The New York Legislature has unanimously approved identical bills (S 5424 , A 576 ) that would allow police officers and other emergency personnel who are potentially exposed to HIV on the job to access an HIV test that can detect the virus more... Read more »
Henry J. Kaiser Family Foundation

California Must Implement Reliable, Confidential HIV Reporting System, Editorial Says

After reports that California's current HIV reporting system "may be hindering the state's efforts" to fight HIV/AIDS, state legislators must work with health officials to "quickly implement" a new reporting system that is "confidential but also... Read more »
Henry J. Kaiser Family Foundation

Sex Education Programs in Singapore's Schools Should Provide Teens With Objective, Reliable Information, Education Ministry Says

The number of teenagers contracting HIV and other sexually transmitted infections has increased over the past several years, Singapore's Education Minister Ng Eng Hen said on Thursday, the Straits Times reports. In 2008, 787 STIs were recorded... Read more »