Doctor insights on:
Pcr Rna Testing Accuracy After 7 Days
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
About 95%: RNA testing for HIV isn't usually recommended excapt in very high risk situations, like unprotected sex with a known-infected partner. But a negative result at 12 days probably is around 95% conclusive. For 100%, also have an HIV antibody blood test at 4 weeks. The combination of those two negative results will be conclusive. In the meantime, you can be very confident you weren't infected. ...Read more
Pcr test negative after 12 days exposure duo lab test negative after 3 weeks eposure am i hiv free?
HIV: Antibody testing is accurate if you have formed antibodies by that time. There are some people who have a delay in antibody response and therefore testing at 3 months is recommended and some doctors will repeat this at 6 months. If you want immediate reassurance you can get a PCR for HIV RNA. Good luck. ...Read more
Is HIV antibodies test conclusive at 3 months after exposure?and is DNA PCR test conclusive after 45 days after exposure?
HIV Infection: Technically speaking PCR is conclusive at the time of infection. The moment HIV enters the human blood stream it explodes. Viral tires go into the multiple millions. So testing by PCR would easily catch this. The problem is..it is not intended to be used as a screening test due to the cost. So..the antibody test at 3 months is good..but 6 months out is needed to be conclusive in my opinion. ...Read more
See below: It is good that it is negative but it is too soon to exclude HIV. Get a HIV nucleic acid test and if that is negative at 6 months after exposure that would essentially exclude HIV. For good health - Have a diet rich in fresh vegetables, fruits, whole grains, low fat milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex. Get HPV vaccine. ...Read more
Hiv: Fairly conclusive. But a test at 30 days as well may be needEd ...Read more
Not accurate: It will not be accurate for current sexual encounter. It will give you a base line response for prior sexual encounters. If you are concerned about current experience, you can test in 1 month and then again in 6 months. ...Read more
I was tested with HBV DNA qualitative PCR 15 days after probable exposure. came not detectable < 20 IU/ml. How reliable this test is after 15 days?
Very specifc: recheck in 3 months, depending on your exposure. ...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
Very reliable.: It's recommended to repeat HIV test on the 12th week or 3 month window to account for a delay in the production of antibodies.If there is a higher risk of getting hiv, it's recommended to repeat the test after 6 months.Take care! http://i-base.info/guides/testing/test-accuracy-results-and-further-testing. http://www.ncbi.nlm.nih.gov/m/pubmed/15967238/ http://hivtest.Cdc.Gov/faq.Aspx#exposure. ...Read more
Yes conclusive: By itself, the 4th generation blood test is 100% conclusive any time 4 weeks or more after the last possible exposure. The negative RNA test wasn't necessary unless you had a particularly high risk exposure, but it confirms you don't have HIV. Assuming you haven't had post exposure prophylaxis (PEP), which if unsuccessful can delay positive testing, you don't need any further tests. ...Read more