Doctor insights on:
Pcr Test For Hiv
What is the window period for p42 antigen/ antibody dual 4th gen HIV test? And the window period for HIV RNA PCR test? When can it be conclusive?
See below: Please consult this site for a detailed answer. Nucleic acid tests are conclusive about a month after acquiring infection. http://www.sfaf.org/hiv-info/testing/hiv-test-window-periods.html ...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 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
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
Aches 1year. 3hiv rapid test oraquick, unigold, clearview all negative after 6 months. 1st md said no more test. 2nd md said PCR test. More HIV test?
Quest labs, Labcorp: If you are paying cash any private lab can perform the test. However they will charge far more than they charge the insurance companies so dmand a cash discount to the price they charge medicare which will be the lowest price. Probably still around $200. Insurance companies insist on the much less expensive antibody test. That test requires up to 6 months after last risky exposure to be reliable. ...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?
Can i do PCR test for HIV, Hepatitis , HPV 18,16,12 after 32 days of risk exposure? The Result will be accurate and reliable? Peace of mind?
Yes and no: AT 32 days, you should not have a PCR test for HIV, only the standard antigen-antibody test (4th generation). It will be conclusive. Its too early for hepatitis, though; wait until 6 weeks (although hepatitis is so rare after any single exposure that most experts don't recommend testing at all). Don't waste money on HPV testing; it takes several months to show up, and everybody gets HPV anyway. ...Read more
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
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