Hiv Dna Or Rna Testing

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Ask the Experts

DNA & RNA HIV PCR TESTING IN BLOOD BANKS

AFTER READING A LOT OF CORRESP0NDENCE REGARDING PCR TESTING AS BEING THE UTMOST TESTING PROCEDURE, I WOULD LIKE TO KNOW WHY HOSPITALS AND BLOOD BANKS ONLY TEST FOR ANTIBODIES. THE REASON I ASK, IS BECAUSE I HAVE DONATED IN THE PAST BUT, NOW I...

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

Stanford University, School of Medicine

HIV P24 antigen testing is now incorporated into routine blood bank screening. P24 antigen is present in the blood transiently (days to a couple of weeks after HIV infection). It is thought by using p24 antigen and HIV 1/2 antibody testing together,... Read more »

HIV RNA Test/HIV DNA PCR Test

Dr Brook, to one of your answers dated 28 October 2001, DNA PCR Test while Pregnant you said that... Read more »

Response from Brooks Jackson, M.D. »

HIV RNA Quantification Vrs DNA PCR test

Is an HIV RNA Quantification result of <50 copies as definitive as the "DNA PCR test"... Read more »

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

Go to Ask the Experts »

Articles

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 »

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 »

U.S. Centers for Disease Control and Prevention

"Smart Bomb" RNA Molecule Could Take Out Drug-Resistant HIV

Researchers have engineered an RNA molecule to block freely circulating HIV as well as replication inside infected cells. Tests in mice engineered to be susceptible to HIV showed the chimeric RNAs reduced HIV-1 replication by several orders and... Read more »

High Levels of HIV in Genital Secretions Predict Infectiousness

HIV-1 RNA concentrations in semen and vaginal secretions can be used as a marker for HIV transmission risk, suggests a new two-year study of serodiscordant heterosexual couples in Africa. The relation was independent of plasma HIV-1 concentrations,... 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 »

Please help me with test advice!!!!!! (DNA/RNA)

Posted by notanonymous, 3 Replies

ok, i have tested neg at 5 months past "high-risk" and 10-13 weeks (might as well say 10) since "low-risk" exposure. i have had all kinds of symptoms and eye floaters and sore throat, swollen tonsil still persist. i am at about 11-12 weeks past... Read more »

PCR DNA or RNA

Posted by Anonymous, 1 Reply

Quantitative PCR RNA is the viral load test for HIV-1 only, right ?
For Qualitative PCR DNA for HIV-1 and HIV-2, the report format would be 'detectable' or 'not detectable', right ?..or/and would 'strain' of the hiv founded would be reported ?
To... Read more »

PCR-DNA and RNA

Posted by Anonymous, 2 Replies

I only recently had a "low risk" exposure (the receiver of unprotected oral sex and did not know the status of my male partner). I have been reading many of the posts and comments here and have seen PCR-DNA and RNA tests for HIV. What are these... Read more »

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