Hiv Pcr Rna Which Is Viral Load

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Women and HIV Viral Load

Table of Contents What Is a Viral Load? How Are Viral Load Results Used? Starting Treatment When Should You Be Tested? Women and Viral Load Areas of Future Viral Load Research What Is a Viral Load? HIV attacks immune system cells called CD4 cells. HIV enters these cells and turns them into virusfactories that produce thousands of copies of HIV. As the virus grows, itdamages or kills CD4 cells, weakening your immune system. ...

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CONFUSED!!! RNA PCR VIRAL LOAD TEST AT 4 MONTHS?

After being the victim of a sexual assault, I experienced what I thought was ARS approx. 4 weeks later. Antibody tests were negative at 5.5 weeks, 9.5 weeks, and 16 weeks. RNA PCR at 18 weeks <400 copies. Should I be looking for a more sensitive...

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

Stanford University, School of Medicine

You have to be careful in interpreting what people describe in this forum or anywhere else on the internet regarding antibody negative, but truly HIV-1 infected. These cases have not been objectively identified and verified. The first generation of... Read more »

DNA PCR vs. RNA PCR in HIV+ people

1. If I tested positive on ELISA and undetectable on viral load (RNA PCR till 15 copies) would DNA PCR tell me, how many of my cells are infected per mililiter or only confirm the infection. Because I thought that the DNA PCR also says how many...

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

Stanford University, School of Medicine

1. Confirm infection.2. Yes, in terms of commercially available kits, although many labs might use a "home brew" (separately purchased reagents possibly from different vendors).3. HIV RNA PCR is approved for following treatment and... Read more »

Viral Load Results (HIV-1 RNA was not detected in this sample)

Dear Dr. Holodniy: I am confused by my most recent viral load results. In the past, they have usually said something like "HIV-1 RNA was detected in this sample at a level <50 copies/mL" but the results this time say "HIV-1 RNA was...

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

Stanford University, School of Medicine

Well they appear to be getting away with stating that the viral load is zero when the FDA approved lower limit of detection is 40 copies/mL. It is possible to extrapolate results below 40 copies and come up with a number. It is extremely difficult... Read more »

Is a viral load test (RNA PCR) up till 40 plates over than two monthes later be compared to six monthes ELISA?

Is a viral load test (RNA PCR) up till 40 plates a little over than two monthes after the suspected event could be compared to six monthes ELISA? Does that mean around 99% security that a person is negative? Normally a viral load should be in the...

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

Stanford University, School of Medicine

The comparative study you are asking for has really not been done. You are correct about the viral load numbers and the 2 cases.MH... Read more »

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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 »

DNA PCR Vs Viral Load test

Posted by sunkyst, 1 Reply

Does anyone know the difference between a HIV DNA PCR test versus a viral load test that's performed on someone already confirmed positive, obviously one is about detecting the virus and the other how much but are the methods used essentially the... Read more »

RNA/PCR/NAAT Test

Posted by nomoreworry4me

antibodies to HIV
1 - 3 months
blood, oral, rapid
1 week, 20 minutes for rapid
Looks for....................
Window period...........
Options for testing......
Wait time for results....
RNA/PCR/NAAT Test Antibody Test
There are several ways to test for HIV.
Th... 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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