Doctor insights on:
Hiv 1 Rna Quant R T Pcr Csf
52 days post exposure.What test to take HIV 1 RNA PCR qualitative or quantitative. And does this test detect both HIV 1 abd 2 type?
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
HIV NEGATIVE combo (antibody + antigen) tests at 4,6,10,13,14 weeks and PCR RNA VL UNDETECTED (14 weeks) white tongue, chronic pharyngitis. Am I HIV-?
You are HIV negative: Listen, man. Stop doing this to yourself. Get to an otolaryngologist and see if you have a post-nasal drip, maybe heavy snoring without realizing it, or some actual serious illness. Try scraping the stuff off your tongue with a piece of dental floss; if it's still white patches, ask your dentist's opinion also. But please get over these HIV fears. Maybe even be thankful for having shared love. ...Read more
HIV NEGATIVE combo (antibody + antigen) tests at 4,6,10,13,14 weeks and PCR RNA VL UNDETECTED (14 weeks) white tongue. Risk: gay deep kiss. Am I HIV-?
You are HIV-neg: I hope this is good news. "White tongue" is usually bacteria, and you may be able to scrape them off with a piece of dental floss held tight. You can trust the test if it is your only exposure. I hope you're comfortable with your sexuality and that you're pleased to have shared a kiss -- guys of all orientations may enjoy perhaps kissing a buddy, and nobody's ever gotten HIV by kissing. ...Read more
Why PCR isnt good test for HIV diagnosis? Is it high Cost or low Accuracy?
PCR RNA is better or DNA @ 6 mnth?
Neg 3 DNA & 1 RNA PCR are 100% accurate?
Hep B Virus (HBV) DNA Qualitative (Detection) - COBAS TaqMan , Hep C RNA Detection by Taqman detection will be conclusive on 47 days? Any retest need?
No: Both Hepatitis B and C viruses may be detected 30 to 60 days after infection by antigen detection or 60-120 days with antibody testing. Direct HBV DNA and HCV RNA testing can potentially detect infection earlier, within 2-4 weeks after infection, so being tested at 47 days post-exposure with a negative nucleic acid test for both is very likely to be a true negative ...Read more
Advia hep.C antibody +, HCV RNA -. 3 months later Architect hep C Ab -, HCV RNA -. 2 Hep C Ab Verification tests -.Is Advia hepC Ab test false positiv
Without more info: and only the data you submitted in your question, I would put it together the way you did: the first Advia hepC Ab test was a false positive. I presume other experts who arranged your follow-up testing have suggested the same interpretation. Stay well:) ...Read more
(-)4th gen hiv 1.5,188.8.131.52.5.5 mnth, DNA PCR 10,12 wk, RNA PCR 18 wk, vdrl,hsv,hcv,chlmydia 11,16 wk. R these 100% conclusive after risky exposure?
Stop testing!: You have been seriously overtested, especially for HIV. The 4th gen HIV tests are conclusive any time 4 weeks or more after exposure. All HIV tests after the one at 1.5 months were superfluous and a waste of money and time. The other tests also are conclusive and also didn't need to be done a second time. No matter how high the risk might have been, you can move on without worry. ...Read more
Hep c anti body 14 with cutoff of 1, but qualitative HCV RNA PCR says no RNA material detected. In notes says single test not enough . My alt, cbc, ok
My hepb serology hbasg +ve, confirmatory test hbsag-ve, hbcab, hbsab, hbeag, hbeab are all -ve, this is 3rd tym same result, am I infected?
My vote is...: No, based on the confirmatory results that antigens and antibodies are negative. As the surface antibody (HBsAb) is currently negative, one can ask his primary care for Hepatitis B vaccines, to acquire protection. However, if one was exposed recently, and got a new infection, he could be in the brief window period, if the HBcAb test was for IgG only (thus missing HBcAb IgM). His Dr. can explain. ...Read more
Hbv +ve,My pcr hbv dna quantitative is 198,HBeAg -ve, Anti-HBe +ve, Anti-HBc IgM -ve, can you please explain the results& proposed treatment ?
Hiv Test- 85 & 121 days 4th Gen test and RT RNA PCR negtiv. 149 days HIV 1/O/2 Ab ( 3rd gen) negtiv. is this conclusiv or do i need more testing? ongoing symps - lymph nodes for 3 mons. pls ans, thks
Not for HIV: It would help to know your risk factors for acquiring HIV, but, regardless, absence if viral DNA after 4 months followed by absence of HIV antibody at 5 months means that we're 99.9% certain you haven't acquired the HIV virus. However, you need to follow up with your doctor about the swollen lymph nodes. ...Read more
My hepatitis C antibody reactive(151.7).But in quantitative Hcv PCR test HCV RNA is less than 30 Iu/ml.Doctor said i have no hepatitis C infection.
False pos ELISA HIV tests, neg naat viral load test, neg western blot, ifa and oraquicks neg too. All 15 months post risk event. What should I do?
Be grateful, man!: You've been obsessing about this too long. Sit down and talk with your physician about fears. If you'll forgive my frankness, talk with him/her and some wise adults (maybe even dad) about your emerging sexuality and how you've explored. By your age, we've all made mistakes. Embrace being a man, decide how you want love to be for you, and cherish adult love while resolving to be safe ; kind. ...Read more
Oral sex with unknown, continuous 5month low grade fever, lymph nodes, sore throat, 107 da HIV eia negative HIV PCR RNA not detected, what other std?
NOT STD: As you have been told this is not an STD. But, it could be an infectious disease. That list is hundreds of possibilities long and will include testing for lymphoma, leukemia, other blood cell cancers, and all of the possible non-STD infectious diseases. It is time to sign off of the internet and to see your doctor for the appropriate testing or infectious disease consultation. ...Read more
Hello these are my lab results got yesterday after tested positive for HBsAG 1 week back.Hbe ag neg, anti hbe ag positive & HBV DNA quant 570. ?
Hep B surface Ab - positive, Hep BE antigen - positive, Viral DNA 2000 IU. Acute Hep B DX. Tests don't match the serology timeline? Am I in recovery?
Need expert care: This situation is too complex for safe advice on this forum. You should be seeing an expert in person, or perhaps seek HealthTap's concierge service with an infectious diseases or liver disease expert. ...Read more
Advia hep. C antibody +,HCV RNA -. 3 months later Architect hep. C antibody -, HCV RNA -. 2 hep C Ab Verification tests-.Can above person donate blood?
May be: You ought to disclose these results to the blood bank so that they may make a determination on your eligibility to donate along with other health factors. I commend you for considering doing your civic duty. ...Read more
CMIA 4th gen antibody screening test (not antigen) for hiv 1 & 2 @50 days is 0.15 non reactive.Is antibody screening without antigen accurate @7thweek?
Conclusive at 6+ wk: Official advice by many agencies is that stand-alone HIV antibody tests are not conclusive until 3 months. However, with the modern tests in current use, including the test you had, the results actually are conclusive any time 6 or more weeks after exposure. Feel free to have another test at 3 months if another negative result will help you get beyond your fears. But i really isn't necessary. ...Read more
Is my 8 wks 2 day PCR RNA + 4th Gen test negative conclusive for HIV infection after vaginal exp? Or do i need to test after 12 wks or it has to be after 13 wks? Pls answer, Thanks for any response
Relax, Mike: I understand that you're a man worried about HIV after an unprotected episode of intercourse with a woman. The nucleic acid tests are almost always positive by this time -- we can't even estimate the frequency of their turning positive only at 12 weeks because history isn't always accurate. Retest only if you or someone close to you is obsessed over it. Love wisely and well from now on. Cheers. ...Read more
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
Is hiv 1 rna pcr qualitative and elisa 3rd gen test reliable after 4.5 months of exposure. both came not detected?
What is the level of sensitivity of the HIV-1 RNA PCR test by Aptima? Is it accurate at 2 to 3 weeks post exposure?
Yes: Read the CDC updated recommendations on HIV testing. The rationale for this test being available is that HIV RNA is detectable in plasma before antibodies. A safe approach is to be tested after the eclipse period after potential exposure when no RNA nor antibodies to HIV can be detected. The RNA test is effective around 10 days after infection but seroconversion to antibodies may take 3 months. ...Read more
Can hiv-1 RNA PCR detect hiv-2 at some point or can not detect?If you consider Poland, can you exclude HIV possibility with hiv-1 RNA PCR test only?
HIV Online: We are very experienced here with what we call HIV panic. There is little we will say that will ease your panic. HIV 1 in the disease you are at risk for in Poland in general. Your HIV RNA test is negative. If you cannot get past this worry then go get an HIV 1/2 antibody test with the P24 antigen test as well. Then test every twelve weeks. And if you are at risk get on Truvada (emtricitabine and tenofovir) to prevent. ...Read more
Hi, had HIV-1 rna pcr @ 5 weeks & 5 months. and HIV ag/ab DUO at 1, 2, 4 & 6 months. Do I need further testing for HIV or do I need HIV-2 pcr or did the DUO rule it out?, or is it too rare to worry about in MI? I leave in Novi, MI. thank you
Hiv-1 RNA PCR result is undetected,worried about hiv-2 in Germany. Dr didnt see necessary to take antibody test even at w12.What should I do?
Wait: You must wait. Or get an HIV 1/2 antibody test but know you will have to repeat it in the future. At twelve weeks it cannot be 100% accurate. in the future if you have a high risk exposure there is a treatment to prevent infection if started within 72 hours. If you have repeated high risk exposures there is a treatment to take before exposure to prevent infection. ...Read more
Does cobas taqman v 2 for HIV 1 RNA check for all groups N, O, P, M and all subtypes of M. If not, what it doesn't check. Please answer, Thanks?
A technical question: I am looking at the Roche website regarding this test and it says this test, "Quantifies the clinically significant HIV-1 groups and subtypes with full subtype coverage and quantifications of HIV-1 groups O and M" It is a confirmatory, not screening test. I believe you would need to contact the company if you need more specific information than this. Good wishes:) ...Read more
Is a HIV ag/ab eia and a hiv-1 Rna test conclusive at 5 months ? I also had a 4th gen test 3 months ago both negative. Blood was cold if that matters
I understand the p24 and hiv-1 rna test are specifically designed for hiv-1, not hiv-2. Is there any cross-reactivity with the p24 and rna for hiv-2?
HIV: Do not know which test kit was being used, but most today cover both Types 1 & 2. Check with the lab that ran the test. Good luck. ...Read more
Hiv-1 RNA qualitative test results after 4 months exposure accurate? Results negative. Oraquick at home HIV test negative at 4.5 months. Many symptoms
Many things: May be hiv-1 negative, but that does not exclude other disease, best to check with your doctor. ...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
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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