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RNA Undetectable Before Antibodies Develop

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Ask the Experts

Exposure to HCV, negative antibody and HCV RNA...should get tested again?

Hello. Two months ago I was exposed to hepatitis c through a needle stick. Soon after my exposure (2 weeks) I had a hep c antibody test. That came back negative and I was relieved. However, I have read that there is a "window period" in hepatitis c...
Barbara McGovern, M.D.

Response from Barbara McGovern, M.D.

Tufts University School of Medicine
Since you had a needlestick exposure and know exactly the date of your exposure...yes I think you can feel comfortable knowing that if there is no virus by now in your blood, you are not infected. If you would like to read more look at the CDC site... Read more »

negative after 7.5 months on antibody and multiple rna but cd8 suppressor is out of range

can i trust the results of my hiv tests after 7.5 months including several rna and dna pcr tests... Read more »

HIV RNA and HIV ANTIBODY

hello doctor,i am a student of prophetic medicine.i research on the cure of hiv/aids.i request your... Read more »
Articles
The Well Project

What Is HIV?

...infected, your immune system will make antibodies against HIV. The most common HIV tests look for these antibodies. The HIV antibody test (called ELISA or EIA) is one of the most reliable medical tests. It can be done on blood, mouth swab, or... Read more »
San Francisco AIDS Foundation

HIV Testing

... Why Should You Get Tested for HIV? What Are HIV Antibody Tests? ELISA Western Blot (WB) Assay Indirect Immunofluorescence Assay (IFA) Read more »
Canadian AIDS Treatment Information Exchange

HIV Viral Load Testing

...measures the amount of HIVin your blood. It does this by measuring thenumber of copies of a specific part of thevirus called RNA or ribonucleic acid. Why do I need a viral loadtest if I have already hadan HIV test? An HIV antibody test... Read more »
Henry J. Kaiser Family Foundation

RNA Test to Detect HIV During Acute, Primary Phase Not Widely Used, New York Times Reports

...reports. Although CDC has done pilot studies of RNA testing in some cities, current national guidelines focus more on widespread antibody testing. According to the Times , RNA testing has been tried rarely in part because it is expensive,... Read more »
Connect With Others

Undetected HIV-1 RNA,PCR at 17 weeks

Posted by roma2010, 2 Replies
...qualification range of this assay is 48 to 10,000.000 copies i also went to a different clinic a couple of days ago and i got another antibodies test for HIV 1/2 done at the 18 week and it was negative it was the rapid blood test with the finger... Read more »

RNA/PCR/NAAT Test

Posted by nomoreworry4me
...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. The most standard HIV tests don?t look for the actual virus but... Read more »

THIS IS HELL

Posted by DUVCAST, 3 Replies
...is recommended to be tested at 6 months a year and then every year after , and she said there are peaple who never develops antibodies to the virus because it is always mutuaring. she said the rna pcr test are for therapy and not for diagnostic,... Read more »

Accuracy of PCR

Posted by Anonymous, 2 Replies
...as a 6 month ELISA (and certainly a 3 month ELISA). A thought occurred to me...is it possible that one could develop enough antibodies to make the PCR undetectable at 7.5 weeks? The Quest test says it measures down to 10 copies. Do antibodies... Read more »