Chance Of False Negative Elisa

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Chances of false negative elisa???

Posted by Anonymous, 3 Replies

Tested negative almost 5 months (145 days) after exposure and got a negative elisa. What are the chances that this is a false negative? Should i have another test? Going NUTS! Read more »

so ELISA tests NEVER give a false negative?

Posted by Anonymous, 3 Replies

Is this statement correct? Read more »

elisa false positive

Posted by Anonymous, 2 Replies

kindly advise ,whether negative western blot after 2 positve elisa at 2 different labs.

what are chances of being positive , as both the labs comes out with negative western blot test

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Help please.. Possible 2 False negative ELISA DELETED

Posted by deletemyaccount, 1 Reply

Post deleted by HoPeAndFaiTh Read more »

False Positives with the Elisa

Posted by Anonymous, 1 Reply

Just wanted to clarify, if I could: Are you guys saying that the Elisa test will sometimes be positive, but they will then confirm it with a Western blot . . . . and if the Western blot is negative, then they just tell you "you're negative"?

I don't... Read more »

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Could my meds have caused false negative ELISA's?

Dr. Horwath,I keep seeing references to some antidepressants suppressing the immune system and HIV antibody production - this raises the question whether they can cause false negative HIV ELISA tests. I am on 20 mgs of Remeron per night, 10 mgs. of...

Response from Ewald Horwath, M.D.

University of Miami School of Medicine

I have no reason to believe that these medications could cause a false negative on the ELISA test. The ELISA test is highly sensitive, and very unlikly to miss a true HIV antibody response. The main question in testing is making sure enough time... Read more »

Elisa Results +ve and reactive (FALSE POSITIVE ELISA AND PREGNANCY)

Dear Rob,I am 37 year old happily married man and have been married for more than eight years. We have two sons, eight and six.My wife is 20 weeks pregnant. She went for all sorts of tests as per norm, but to our schock the Elisa results came back:...

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation

Hello,Positive/reactive ELISA results must always, always, always be confirmed with a more specific test (Western Blot or immunofluorescent assay) before the person is labeled HIV positive. That your wife's gynecologist may not realize this is... Read more »

Is two months viral load equal to six months elisa? 99.8% negative is not false negative?

Is two months viral load equal to six months elisa? 99.8% negative which is not a false negative?...

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

Stanford University, School of Medicine

I don't think the study has been done to answer that question.MH... Read more »

Can an ELISA give a false negative if I've been infected for years?

I read somewhere that an ELISA test can give a false negative if the illness has progressed to the AIDS stage because the body can no longer produce anti-bodies. Is this true?...

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation

Hello,Rare patients have been noted to "serorevert" (become HIV-antibody negative after being HIV-positive) in very late-stage disease. This would give a "false negative" result. However, please note this is very uncommon and... Read more »

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