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Is False Negative Due To Coinfection Possible

Here's a taste of what has to offer on this topic:
Ask the Experts

False Negative Results

Hello Dr Bob, I Read And Hear About The False Positive Results That Comes Up Once In While When Donating Blood Because Of The Testing They Do. How About False Negative Results Thank You For You TimeAnthony
Robert J. Frascino, M.D.

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation
...Hi Anthony,False-negative results are not a problem, due to the sensitivity and specificity of the screening tests. They are set to capture all true positives, even if they also capture Read more »

false negative test result

hi DR BOB I wanted to ask if an anti anxiety medication ( CITALOPRAM-CIPRMIL ) causes false... Read more »

can you get a false negative result 12 month+ poss exposure?

Hi doc, I was possibly exposed 2 hiv in sept 2008, during the next 6 month I had geo tongue, oral... Read more »
San Francisco AIDS Foundation

HIV Testing

...faster service. Testing Issues for Specific Populations Pregnant Women The number of children reported with AIDS due to perinatal HIV transmission in the United States peaked at 954 in 1992 and declined 95% to 48 in 2004, largely... Read more »
AIDS InfoNet

HIV Testing

...window period if they get tested too soon after being infected with HIV. Pregnant women may have false or unclear test results due to changes in their immune system. In rare cases, HIV test results can be unclear or "indeterminate." Another... Read more »
The Well Project

What Is HIV?

...HIV, medical care and certain drugs given during pregnancy can lower the chance of passing HIV to her baby. If you test HIV-negative you can take steps to stay that way. You can also avoid unnecessary worrying. What Tests Are Available? If... Read more »
AIDS InfoNet

Couples With Mixed HIV Status

...Children if the Woman has HIV Serodiscordant Couples Couples with one person who is HIV-positive and one who is HIV-negative are sometimes called "serodiscordant" or "mixed serostatus". "Sero-" refers to blood serum. "Serostatus" refers... Read more »
Connect With Others

For anyone worried about false negative results.

Posted by JOHN_IN_LONDON, 2 Replies
PERT assay for plasma RNA HIV-1 A new assay, called the product-enhanced reverse transcriptase (PERT) assay, provides a more accurate method of detecting plasma RNA HIV-1 compared with the polymerase chain reaction (PCR) assay. Dr. Jurg Boni and... Read more »

Help please.. Possible 2 False negative ELISA

Posted by HoPeAndFaiTh, 1 Reply
...sorry because of my bad english. I had a ELISA 4 generation test + p24, after 9 weeks of possible infection (60 days). It was negative. I did the test after 4 weeks too. And negative. But I have all se sympthoms: Rash on the palms of my hands,... Read more »

Unsure test results

Posted by Anonymous, 1 Reply
...positive presence for hiv by doing the pcr test would it make sense to still do a hiv antibody test(elisa test) even though a negative result was received past the six month rule with no further exposures? Read more »

PCR test negative at 6 wks? Can I stop worrying?

Posted by Anonymous, 2 Replies
...I took a antibody and PCR test at 42 days (6 weeks). Both came back negative. Is it okay to stop worrying and get on with my life??? The test was expensive, but if it means I don't have HIV, its worth Read more »