Doctor insights on:
False Hiv Positive Test
Multiple causes: On the average, 0.2 percent of elisa tests give a false positive HIV test result that are then proven incorrect by a western blot test. Autoimmune diseases, recent vaccinations, multiple pregnancies or prior infections with hepatitis b, malaria or tuberculosis can stimulate the production of antibodies that cross create with hiv, thus producing a false positive HIV test. ...Read more
HIV is also known as HIV/AIDS. Hiv infection is caused by a retrovirus....This retrovirus binds to CD4 cells (for the most part). You may detect the virus by several different methods. An elisa test (enzyme linked immunosorbent assay). You may also detect it by doing a test referred to as a western blot (a gel protein electrophoresis). Thirdly by pcr (polymerase chain reaction) which ...Read more
Unlikely: All tests are subject to prior probability( the likelihood of a condition before any tests) and a refined probability, modified by test results. That being said the HIV eia test is among the most accurate in medicine, and when confirmed by a western blot, approaches 100% dr ted butler. ...Read more
HIV testing: This screening test has numerous biological false-positive results, but it is very sensitive without being specific. If positive it is followed by a western blot test which is highly specific. False negative results can be due to numerous different causes but should not generally be a source of worry if other stds are also being tested for. ...Read more
Possible: The elisa test can be affected by different infections, causing a false-positive result. After any positive elisa, a follow-up test is performed by a 'western blot' which takes longer to perform, but gives a more sensitive answer. If you or someone you know had a positive HIV by elisa, they absolutely need the follow-up testing (including a full std/sti work up). ...Read more
HIV: Rare, rare, rare. And confirmatory testing is always done so that this will prove false-positive immediately. ...Read more
Can healthy individuals get false positive ELISA HIV test? Final question. Does it always mean there's something wrong with someone if they get this.
Yes and No: Healthy people can get a positive screening test for hiv. Screening tests have high sensitivity but not very high specificity. Many issues can cause a false positive including flu vaccination. Mostly the cause of false positive is not known and it is not because there is anything wrong with the person who gets a false positive test. ...Read more
Yes, it is possible: Some people may have a biologically false-positive test for hiv, when tested by elisa. Such people usually have a negative or indeterminate confirmatory test, the western blot. That usually happens because of some antibodies that were directed against other organisms recognizing part of hiv. If there is any question, a qualitative HIV dna pcr may put the question to rest. ...Read more
Human immunodeficiency virus is also known as HIV/AIDS. Human immunodeficiency virus (HIV) is a lentivirus (a member of the retrovirus family) that causes acquired immunodeficiency syndrome (aids),  a condition in humans in which progressive failure of the immune system allows life-threatening opportunistic infections ...Read more
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