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How Accurate Is A Elisa Hiv Test 60 Days
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
How accurate are the oraquick hiv in home tests? I performed a test 3,6,9 months post exposure. All negative. Is it accurate as a blood ELISA test?
Oraquick: accurate, but as for every test there is limitation, a positive test means that an antibody against HIV is detected; However more test is needed to confirm it, a negative test does not rule HIV , specially if the test is performed during the window period of HIV detection ( window period: first 6 weeks after HIV infection, when there is not enough antibody is produced for the test to detect it) ...Read more
HIV: There is a chance that some individuals will take longer to develop detectable antibodies than the usual 2-8 weeks, therefore, if the initial negative HIV test was conducted within the first 3 months after possible exposure, repeat testing should be considered >3 months after the exposure occurred. ...Read more
Not the best test: The better test 1 month after exposure is either a standard serology (elisa with confirmatory western blot if positive) or a 4th generation antibody/antigen test. Hiv PCR (viral load) will usually be positive, but false positives and negatives can occur, so it's an imperfect diagnostic test. Viral load is used diagnostically mainly in people with symptoms of acute infection. ...Read more
About 95%: RNA testing for HIV isn't usually recommended excapt in very high risk situations, like unprotected sex with a known-infected partner. But a negative result at 12 days probably is around 95% conclusive. For 100%, also have an HIV antibody blood test at 4 weeks. The combination of those two negative results will be conclusive. In the meantime, you can be very confident you weren't infected. ...Read more
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
About 95%: The specificity of a negative DUO HIV test is 100% after 12 weeks of possible exposure. After 10 weeks, a negative DUO HIV test test indicates that there a 95% chance that the person is HIV negative. However, a small percentage of people exposed (5%) will have antibodies form up to 12 weeks after exposure. ...Read more
Not altogether: If you receive a negative result, follow it up in a few more weeks. But I am glad you are getting tested and I wish you the best. Whatever happens, I hope you have a memory of love that you will cherish forever, and that from now on, you have an experience that has helped you grow as a man. ...Read more
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
90%: There's a period of time after a person is infected during which they won't test positive. This is called the “hiv window period.” The window period can be from 9 days to 3-6 months, depending on the person's body and on the HIV-test that's used. ...Read more
How accurate is Elisa antibody/antigen test and Alere Hiv1/Hiv2 rapid test accuracy at 14weeks past exposure?
There are several ways to detect the HIV virus. The first is by antibodies. This includes eia (enzyme immuno assay). The rapid HIV tests are these types. The second way detects proteins on the viral coat (western blot). This is a gel plate electrophoresis. Thirdly there is pcr (polymerase chain reaction). This detects and amplifies dna allowing a viral ...Read more
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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