I had one sexual incidence. After 175 and 180 days, I got tested with CMIA technique. Please check my reports and suggest whether these are conclusively negative. How accurate is CMIA test?
Both the tests show a non-reactive result, which indicates that your reports are fine.
Chemiluminescent microparticle immunoassay (CMIA) test is a reliable, accurate and standard method. It tests for P24 antigen as well as antibodies to HIV1 and 2. The accuracy of this test is 99.9% after three months post exposure.
The window period (the period before development of detectable antibodies) is three months that is, 12 weeks.
I consider your test to be conclusively negative because of,
Thank you for the answer. I just want to know whether CMIA is as good as ELISA. Or is it a kind of ELISA? Can I start my normal family life? May I rest assured and take this episode from my end? I will be thankful to you.
Before I explain about the two tests, please relax. You can very well start your normal family life without any worries.
As I can see from your past diagnosis and medical history, you have some psychological issues as well. I highly recommend meditation techniques like Rajyoga meditation, which improves all the four aspects of your health that is, physical, emotional, spiritual and social. So, please give a try.
ELISA test looks only for antibodies to an HIV infection. The window period is four weeks to three months.
CMIA or combo test that you had done is a fourth generation test. CMIA tests for both antibodies and P24 protein antigens. The P24 antigens can be detected within the first few weeks post-exposure. Therefore, it shortens the window period for the test. This test is considered to be conclusive at six weeks.
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The window period is the period before development of detectable antibodies)
In CMIA test for HIV the window period is 3months or 12 weeks.
In Hep B (HBs Ag ) test the window period and may last as long as 6 months.
In Hepatitis C (Antibody test) It may take up to three months for antibodies to appear in your blood following infection (although it is usually positive by 6 weeks).
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