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RNA Negative Absence Of Antibodies

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Ask the Experts

PCR RNA / Antibodies

Hi doc.Have read that a person can have PCR RNA test result < 50 copies / ml. and still be HIV Positive.If this is a result for the immune system's ability to control viral replication - would this meen that immune system when "fighting...
Mark Holodniy, M.D., F.A.C.P., C.I.C.

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

Stanford University, School of Medicine
There are a few people who have viral loads of < 50/ml, in the absence of therapy. They would indeed by people who had good immunologic control of the virus (antibodies and cytotoxic T cells). Although people keep hoping to find these cases, I... Read more »

Positive antibodies, but negative RNA

Hello Dr.,First I want to thank you for responding and so quickly... you really helped ease my... Read more »

negative after 7.5 months on antibody and multiple rna but cd8 suppressor is out of range

can i trust the results of my hiv tests after 7.5 months including several rna and dna pcr tests... Read more »

Rapid HIV Antibody Testing May Have Limitations in a Population With High Incidence of HIV

My name is Dr. Joanne Stekler. I'm an acting assistant professor at the University of Washington. I also work for Public Health Seattle and King County. This is a poster entitled "Limitations of HIV Antibody Testing in a Population with a High... Read more »
Henry J. Kaiser Family Foundation

RNA Test to Detect HIV During Acute, Primary Phase Not Widely Used, New York Times Reports

The New York Times on Friday examined an HIV blood test, which seeks out bits of the virus' RNA and can identify infections during the acute or primary phase. Standard rapid tests, which detect HIV antibodies, can provide immediate results but... Read more »
Johns Hopkins AIDS Service

FDA Review of Viral RNA Testing

Shortly after the approval of the three protease inhibitors, the FDA reviewed the diagnostic assays that quantitate HIV RNA.These tests are being used by many clinicians to monitor viral loads in their patients and to assess their response to... Read more »
San Francisco AIDS Foundation

HIV Testing

Why Should You Get Tested for HIV? What Are HIV Antibody Tests? ELISA Western Blot (WB) Assay Indirect Immunofluorescence Assay (IFA) Window Period Interpretation of Test Results Accuracy... Read more »
Connect With Others

Difference between RNA-PCR and RNA-bDNA tests?

Posted by Anonymous, 1 Reply
Does anybody know the difference between RNA-PCR and RNA-bDNA tests?

Are these tests accurate? Any false negative or false positive results? Are they worth taking to evaluate early HIV infection when possible early HIV infection symptoms are present?

I... Read more »

Got back my RNA PCR results, just a question.

Posted by nin1992
Alright so my results came back and it was negative(didn't test for antibodies as it was too early) and I just want to know, will the RNA PCR detect the virus at 9 days?(day I tested after possible exposure)

I got vaccinated for Hep B today and I was... Read more »

RNA Testing Question/Exposure Risk

Posted by Guest09, 1 Reply
Took an antibody test at 6 weeks (negative). Was told that this is 98-99% reliable. I have still had great anxiety because I am now at 9 1/2 weeks and have a sire throat with white spots, white tongue and runny nose/sinuses plugged with cough. ... Read more »

The RNA test.

Posted by TrueOptimist, 1 Reply
I have took the I believe it is called an "RNA" test because no antibodies have been found in my body so this test will look for the virus itself in my blood.I just want to know is this very accurate? Read more »