Hiv Rna Pcr False Positive

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Ask the Experts

Should I get a PCR test?

Hi Dr. Bob,Thank goodness for you and your patience. Your forum is a much appreciated venue for reliable information. I had unprotected receptive anal sex 4 weeks ago. It was with an anonymous partner who didn't ejaculate in me. Over the past...
Robert J. Frascino, M.D.

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation
...blood within four to six weeks of primary HIV infection.2.The rate of false-positives depends on the type of PCR test. For HIVRNAPCR, false-positive tests occur between 2% and 9% and usually at low viral titers of less than 10,000 copies per... Read more »

False positive HIV results cont...

Hello again Dr. Bob,I posted a question on 6/26. Well now I have gotten my second test results back... Read more »
Articles
New York State Department of Health AIDS Institute

Diagnostic, Monitoring and Resistance Laboratory Tests for HIV

...Assays 2. HIV-1 Confirmatory Antibody Assays 3. HIV-2 Antibody Screening B. Viral Identification Assays 1. DNA Polymerase Chain Reaction (DNA-PCR) 2. Plasma HIVRNA Assays III. Monitoring Tests A. Lymphocyte Analysis ... Read more »
San Francisco AIDS Foundation

Viral Load Testing

...the branched-chain DNA test ( bDNA ), is made by a company called Chiron (pronounced "KAI-ron"). The reverse transcriptase polymerase chain reaction or RT-PCR (commonly called the PCR ) test is made by Roche (pronounced "RO-sh").... Read more »
San Francisco AIDS Foundation

HIV Testing

...the Window Period guidelines after the last potential exposure, you are really HIV negative. An ELISA test may rarely be "false positive." False positive ELISA results can occur if someone is tested right after events that temporarily ... Read more »
U.S. Centers for Disease Control and Prevention

Overview of False-Positive Oral Fluid Rapid HIV Tests

...(NYC) from March 2005 through May 2008. STD clinics in NYC using the oral fluid rapid test reported two episodic increases in false positive test results over the past four years. Because of the second episode of increases in false-positives... Read more »
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