Aa
Testing
What's the opinion on the board of the validity of a negative hiv pcr test at 6 days and a negative elisa antibody test at 4 weeks after exposure? What are the odds either or both negatives together are meaningful?
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* Continuing to post upon your return will result in a permanent ban.
Appreciate the info on testing. In your experience, if oral thrush occurs in hiv is it usually an early / ARS type symptom, or is it a symptom that would be more likely to occur at a later stage with the immune system perhaps more compromised? If could put this symptom to rest could relax.
PCR-DNA test is not an approved diagnostic tests and a PCR-RNA test is not a stand alone test and No neither can give you a conclusive negative test that early.
Here is the thing...in this forum oral sex is not a risk for HIV. The Dr's take a slightly conservative approach and say the risk is very low, but they also say they have never seen or read of a case of HIV from oral sex.
So as I said the Dr telling you that the 4 week test is good enough comes form his slightly conservative approach to oral sex and HIV.
For real risks it is a 3 month test and the Dr's agree with that.
So as I said the Dr telling you that the 4 week test is good enough comes form his slightly conservative approach to oral sex and HIV.
For real risks it is a 3 month test and the Dr's agree with that.
the part that disagrees with two docs that seem to have a lot of experience with this.
Do you also disagree with the PCR being effective at 30 days?
Do you also disagree with the PCR being effective at 30 days?
I think what the Dr was telling you is from your really non-risk that you can take that 4 week test to heart.
What part of the replies that you were given is it that you don't understand? The results from the tests taken that early are NOT reliable.
Understand 4 weeks is not conclusive. Not looking for that at this point. Just trying to understand how likely the 4 week antibody test is to pick up the virus. Also trying to understand if misunderstood Dr. H, or if there is a reason for disagreement btw his opinion and yours. Read one well written thread that suggested the accuracy of the tests has improved over time to the point that most infections are picked up at 4 weeks and the FDA/CDC standards are still based on test technology from ten or so years ago.
There are NO test approved or marketed to give a conclusive negative test result earlier than three months.
...that said, however, a negative test at 6 weeks is a very good indicator of one's status and extremely unlikely to change at 3 months.
Dr. Hook indicated that the test at 4 weeks would identify 90% of those infected. It sounds like Dr. Hansfield is also on record advocating antibody tests at 4 and 6 weeks after infection. Am I misunderstanding the two docs?
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