can anyone help me with the oraquick advance mouth swab test i did 5 tests for it after my exposure all 5 came negative the last one was 6.5months after the exposure can anyone tell me if they give false negative i read on this website that dr.hhh said there not the reliable whats the chances of that with all 5 of them should i test a blood test or that should be goon enough please anyone help me thanx