Please suggest Sir What are the window periods. I am not able to understand. Sir I tested 4 times post 3 months of exposure 98th day (14th week) - hiv ELISA-negative 118th day (17th week) - Hiv tridot - non reactive And on 137th day (4.5 months i.e 20thweek) tridot - negative 170th day (24thweek-5months 7 days)- HIV DUO [CMIA P-24 hiv 1&2]- NON REACTIVE. I also tested for hep bands Both negative Tested for herpes (hsv 1 and 2 - both negative) Sir, M I hiv negative For both HIV 1 AND 2? Does hiv 2 take longer to detect? Is it conclusive. I am loosing my mind. Sir. Please help me. I can not focus. I am very worried. I have started feeling suicidal. HOW any more tests I have to do. Is it confirmed hiv negative.