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Doctor insights on: Is Elisa Test Reliable

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Is a four week negative HIV antibody test / negative PCR test reliable?

Is a four week negative HIV antibody test / negative PCR test reliable?

HIV diagnosis: Antibody titers have been reported to be delayed as long as six months, but this is very unusual. A negative pcr for viral RNA is virtually determinative of the absence of infection. ...Read more

Elisa (Definition)

Enzyme-linked immunosorbent assay (elisa) is a test that uses antibodies and color change ...Read more


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What is HIV antibody test accuracy?

What is HIV antibody test accuracy?

HIV testing: Yes. Of course it is. That is as long as you have allowed enough time to past for your body to produce antibodies against the HIV if you are infected. If you are not infected then if you only test with the HIV antibody test, you must wait six months after exposure for it to be fully reliable and accurate if you test negative. The situation in reality is that no one need wait that long ...Read more

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Is 12 weeks hiv Elisa negative test accurate?

Is 12 weeks hiv Elisa negative test accurate?

See below: It is good that it is negative but it is too soon to exclude HIV. Get a HIV nucleic acid test and if that is negative at 6 months after exposure that would essentially exclude HIV. For good health - Have a diet rich in fresh vegetables, fruits, whole grains, low fat milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex. Get HPV vaccine. ...Read more

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Is RNA PCR test for HIV accurate?

Is RNA PCR test for HIV accurate?

Yes: The nucleic acid test for HIV becomes positive about 20 days after exposure to the virus. ...Read more

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Oraquick HIV test accuracy after 3 months. Is it reliable?

Oraquick HIV test accuracy after 3 months. Is it reliable?

Pretty good: A few percent false negatives. Especially if you have the flu-like illness that accompanies HIV serconversion in many cases, consider getting a blood test. ...Read more

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Is 3dot rapid HIV test gives accurate results?

Depends: There are better tests available now. The so called 3 dot tests depends on the presence of antibodies and may not turn positive for up to a year after the infection. All positive results need to be confirmed. Test for HIV nucleic acid is more sensitive and specific however, even this test also may not turn positive for about 6 weeks after infection. ...Read more

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How accurate is 3 week ELISA blood tests on hiv? Elisa test is the newest HIV detection test?

How accurate is 3 week ELISA blood tests on hiv?  Elisa test is the newest HIV detection test?

Very accurate: The elisa assay is one of the longest standing tests for antibodies to hiv. Positive results must be confirmed using western blot or other tests. If negative at 3 wks you should be retested at 3 and 6 months to be absolutely certain, but those latter tests are rarely positive if the 3 wk test was negative. Be safe. Have only protected sex until both partners assuredly negative, and monogamous. ...Read more

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When is a hiv rna test conclusive?

When is a hiv rna test conclusive?

Timing of test: HIV RNA test at 3 months or more after exposure is conclusive. Test may turn positive sooner, but for a negative result to be conclusive it needs to be about 3 months or more after exposure. ...Read more

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When is combo cmia test accurate?

When is combo cmia test accurate?

HIV testing: In six to twelve weeks in most people. But, remember the best test in a high risk exposure is the HIV RNA viral test. This is 100% accurate from 21 days post exposure. Second, in high risk exposures, prevention is possible. There is a 72 hour window where staring post exposure prophylaxis, can actually prevent an HIV infection. ...Read more

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How accurate is a negative home OraQuick hiv test?

How accurate is a negative home OraQuick hiv test?

Very accurate: It is very accurate in the 99% range. If you have had a recentepossible exposure though you need to check it again in 3-6 months. ...Read more

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How reliable is a HIV ELISA test vs a western blot?

HIV testing: Elisa assay is quite sensitive (will detect antibodies best) but the western blot is more specific and confirm the results of the elisa if it was positive, as being either truly positive or false-positive. There are several other circumstances in which conditions other than HIV will produce a positive elisa assay. If there are symptoms and too early for antibody test, then PCR for RNA is best. ...Read more

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How reliable is the elfa HIV test?

How reliable is the elfa HIV test?

YES IT IS SAFE: Yes it is safe and tests for virus and not the antibodies in your blood and is safe and reliable test which can detect HIV virus after approx. 2 weeks it is fourth generation HIV test. ...Read more

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Is chemiluminescence Immunoassay a treponemal test?

Is chemiluminescence Immunoassay a treponemal test?

Not necessarily: Chemiluminescence is an indicator in many immuno- assays. It is not a test per se. ...Read more

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Is hiv-1-pcr quantitative and HIV RNA PCR quantitative same tests?can DNA PCR test be quantitative?

Is hiv-1-pcr quantitative and HIV RNA PCR quantitative same tests?can DNA PCR test be quantitative?

HIV testing: Yes. Viral testing can be qualitative or quantitative. Most HIV RNA testing is quantitative. ...Read more

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How reliable is the PCR test for hiv?

Serology better: The pcr (viral load) is generally not recommended as a diagnostic test; it's used in people who are already known to have HIV to monitor therapy. The HIV serology (antibody test) is preferred for diagnosis, as pcr is more subject to false positives and false negatives. However, pcr can be used to diagnose acute retroviral syndrome (primary infection). It should be very high at that stage. ...Read more