Hi doctor. I am 26 years male. I am circumcised male. I am unprotected vaginal sex single exposer w a girl. Later 9 months found she is hiv positive. My tests:- Hiv rna pcr qualitative, western blot, elisa,alerecombo, tridot,ictc all are negative 20 months time period and 70 all hiv test total. My questions:- Exactly 21 months after a risky exposure (sexual encounter with female possible IV user) I took a full STD panel (including an anti-HCV test). All results were negative. Some places say it takes years to detect antibodies for Hiv, Who should I believe? Please let me know if I can trust my results! 2) How to removed my brain hiv fear please I am going mad. Please say. Really I am negative any test needed?