Doctor insights on:
Hiv 1 Hiv 2 Western Blot Immunoblot
Is 4th generation ag/ab conclusive for BOTH hiv-1 & hiv-2 after 6 months (& multiple tests before this) of unprotected sex? Is further testing needed?
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
Immunoblot: Western blot is an antibody detection test. Viral antigens (the protein coat of hiv) are immobilized in a matrix (gel). These are then transferred to Cellulose membrane and a persons serum is exposed to it. Antibodies in the serum then bind to the proteins (ie gp120). Antibodies that do not attach are washed away. Chemicals are then applied to allow visualization of the bands. ...Read more
If i had HIV 2 would my HIV 1 western blot be intermediate after 1 year of exposure? I got a negative western blot and naat test for hiv.
MIstreatment?: Any doctor who diagnosed you with a positive HIV test should be sending the HIV RNA test and not just the western blot test. You are in the U.S. You need a smarter or more experienced doctor for this. You have been left out to worry for over one year and it appears not once been given the right test. I don't know your personal life story and what your exposure was. ...Read more
Does a negative hiv-1 western blot at 6 months (no ELISA was completed only wb) indicate no hiv-2 as well? Or should I screen again?
Western blot: Most sensitive test available. Negative excellent.Get a more detailed answer ›
HIV is Hard to Get: Yes. Of course. It is accurate from six months forward. ...Read more
Do HIV 1 and HIV 2 DNA differ form each other?and is there seperated DNA PCR tests for each or one is enough to catch both?
Can the inst hiv-1/hiv-2 antibody rapid test be reliable after 62 days to possible HIV exposure? Test results were negative. Could this be reliable?
HIV Testing: No, unfortunately. For the routine HIV antibody tests you need a minimum of three months or 90 days and a safe view of six months. However there is testing that is much more reliable. This is the HIV pcr dna testing. This test, if negative after 21 days post exposure is 100% accurate if negative. ...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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