Sir,I had a vaginal insertive sex with a prostitute on 3rd jan 2012,at first it was protected sex then she removed the condom and rest of intercourse continued for 5 mins more which was unprotected,on 27 feb 2012, 56th from day post exposure i tested negative wit bioline finger prick rapid test kit,I am 22 yrs old and am frm India,I want to know what are the chances of changing my status???pls rply sir,and the status of that prostitute is unknown..