Pcr Dna Period Blood

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Ask the Experts

Is bDNA PCR = DNA PCR?

Dear Dr. Holodniy:Please keep up the wonderful, life-savings work you have been doing. I don't know what I can do without you.Is bDNA PCR = DNA PCR? if not, could you please tell me what drug companies make them?Do you know if the ABBOTT test...

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

Stanford University, School of Medicine

bDNA (branched DNA, Chiron Corp) is NOT PCR. It is a different technology than PCR and measures HIV RNA in plasma. DNA PCR (Roche) measures HIV DNA inside blood cells. The new Abbott test is not approved yet.MH... Read more »

DNA PCR confusion

Dr. Holodniy,Please help me understand DNA PCR testing: I realize this test is best conducted 1-2... Read more »

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

Transmission Risk and DNA PCR Reliability - PLEASE RESPOND THIS TIME!

Dear Dr. Bob,First of all, thank you so much for what you do; it is truly inspiring. I wonder if... Read more »

Response from Robert J. Frascino, M.D. »

Go to Ask the Experts »

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Reyataz (Atazanavir) Label Revised, Adding Dosing Recommendations for Pregnancy and Postpartum Period

On February 4, 2011, FDA approved new labeling for Reyataz (atazanavir) to include dosing recommendations for treatment of HIV-1 infection during pregnancy and postpartum period. The major revisions to the package insert are summarized below. Other,... Read more »

Blood Work: Two Common Tests to Use for Monitoring HIV Disease

Introduction CD4 Cell Count Tests Why Do You Use CD4 Counts? CD4 Counts and When to Start Therapy What Do CD4 Counts Mean? Viral Load Tests How Often Should Viral Loads Be Tested? What Tests Are Used? Getting Viral Load Tests Viral... Read more »

Connect With Others

27 day DNA PCR ?

Posted by Anonymous, 2 Replies

Hello,

I just got a negative on a 27 day DNA PCR. I actually thought it was the 28th day - but later calculated it to be the 27th day (darn February!)

Is this good ? I will take a 3 month Elisa - but please do let me know if this is a good sign Read more »

Tesla? DNA PCR??

Posted by Anonymous, 2 Replies

Tesla - I saw in one of your posts that the ultra-sensitive DNA/PCR tests may have the ability to detect virus in the bloodstream soon after infection. How do you know this? I had blood drawn 24 hours after a medium to high risk exposure as a... Read more »

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 »

Window period for DNA PCR

Posted by Anonymous, 3 Replies

Greetings,

I had possible exposure to HIV 3 weeks ago. In a week's time I am leaving for a place that doesnot have any discrete HIV testing facilities. I am tempted to go for a DNA PCR test.

It would help a lot if you can tell me what is the actual... Read more »

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