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PCR By DNA Test At 11 Weeks

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PCR and antibody Hep. test results after 3 weeks of exposure

Dr. Can you please answer my question? I am going crazy here. I took these tests after three weeks of being cut and bruised by the barber. Are these tests reliable? I still have aches and pains; joint pain. Do I have to do further testing. My...
Barbara McGovern, M.D.

Response from Barbara McGovern, M.D.

Tufts University School of Medicine
...I am assuming that you took a PCR test for HCV RNA and a HCV antibody test after 3 weeks of a suspected exposure. If you are having joint pains secondary to hepatitis C, your HCV RNA test would already show virus. Read more »


Hi Dr.BobI know you have answered this question before but I need a little reasurement. I had... Read more »

What is PCR ? - Hep B+C ?

A) What is PCR test ?B) I had a blood test for Hep.B+C , six weeks after possible high risk oral... Read more »
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 HIV RNA Assays III. Monitoring Tests A. Lymphocyte Analysis ... Read more »
AIDS InfoNet

Viral Load Tests

...suggest measuring baseline (pre-treatment) viral load. A drug is "working" if it lowers viral load by at least 90% within 8 weeks. The viral load should continue to drop to less than 50 copies within 6 months. The viral load should be measured... Read more »
The Well Project

Understanding HIV-Related Lab Tests II: Viral Load, Resistance and Tropism

...Viral Load Test Viral load is the amount of HIV in your bloodstream. Viral loadcan be measured by two different lab tests: polymerase chain reaction (PCR) orbranched DNA (bDNA). It is best to stick with the same kind of test and notswitch... 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 »
Connect With Others

Undetected HIV-1 RNA,PCR at 17 weeks

Posted by roma2010, 2 Replies
...hiya all i have the results of my 17 close to 18 weeks results of a PCR RNA for HIV-1 and it was undetected testing was done by COBAS AmpliPrep (Roche Molecular systems) qualification Read more »

Negative PCR DNA at 8 weeks

Posted by sunkyst, 2 Replies
...I just got the results of a PCR DNA test at 8 weeks and a negative HIV antibody test. Does this mean I don't have HIV or do I need more testing? Read more »

Negative PCR DNA at 4 weeks

Posted by Anonymous, 1 Reply
...had which is called: HIV-1 Proviral DNA in Mononuclear Cells (PCR), would be sensible enough to detect the virus in blood at 4 weeks. I guess that I am still in the acute phase of my 'compulsive obsessive disorder' of being infected with HIV, so... 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 Read more »