Doctor insights on:
Hiv 1 Dna Qualitative Pcr
I had unprotected oral sex on me I saw no blood I have no sores I am circumsized I have tooken a HIV dna pcr test at 18 days and a 46 also a 4 week and 6 week duo test and a 8 week rapid test am I ok?
You're OK: Oral sex is safe sex for HIV, with no proved transmissions by fellatio from mouth to penis, only rare ones penis to oral. You didn't need testing on account of this event and for sure not the multiple expensive ones you had. But the results from that combination of tests are conclusive. For sure you didn't catch HIV during that exposure and no further testing is needed. Best wishes and stay safe! ...Read more
Polymerase chain reaction is a method of finding a specific piece of dna and copying it over and over again until there is enough to study. The technique allows a scientist to detect very small amounts of dna in a swab sample then reproduce enough of it to study it. It is very sensisitive for detecting the presence of certain bacteria and is also used in doing other ...Read more
I am wondering about HIV results. I have tested at 5 months post exposure with dna/pcr, antibody, western blot test (negative). Is this conclusive?
Need more info : To give an answer to your question more information is needed. Did you recently start medications to treat hiv, then the answer is after about 1-2 months. Did you recently engage in a high risk activity, such as unprotected anal intercourse? In that case, i would advise first and foremost to use protection in the future and to be tested as soon as possible. Hiv may show up as soon as 7-10 days. ...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?
Is hiv-1-pcr quantitative and HIV RNA PCR quantitative same tests?can DNA PCR test be quantitative?
How many types of HIV are there?I did HIV DNA PCR for HIV 1 only I'm afraid If I'm infected by other types.
HIV risks: There are two major strains of HIV in the world - HIV-1 and HIV-2. Almost all infections are HIV-1 unless you live in W. Africa where there is some HIV-2. If your test was negative then that is great. You should still be careful though because HIV infection requires life long medication to manage it. Probably best to get follow up with your doc. There are lots of ways to have safe sex-b careful ...Read more
I did HIV DNA PCR and results came negative after 21 days but only for HIV 1 my question is if I had HIV 2 would this test detect it as well?
Yes: This test is specific for both Types 1 & 2, ...Read more
Does DNA PCR test for HIV 1&2 lose sensitivity over time? How accurate can a negative result for DNA PCR be on checking at 89 days post exposure?
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
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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