is a Tri-Dot test good at 12 weeks?

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HIV ELISA tests detect the presence of antibodies to HIV, which usually present within 4 - 12 weeks ‎of ‎exposure. Hence you can do the test after 4 weeks to get a valid result. In case the test is negative, then a repeat ‎test after 12 weeks is still advised to have a conclusive test result.‎

A negative result with a 12 week Antibody test (Eg TRIDOT HIV antibody test) for HIV can be considered as ‎conclusive.

But each case is different and need for additional testing should be determined by consulting with a HIV ‎counselor or your doctor. If your doctor feels that you are at a higher risk, then he may advice additional testing at a later date. ‎