i had unprotected sex with my bf in 2012 feb ,after that i didnt pratice sex with my bf. came to know is a bad guy . 2014 only i went to test for hiv(DUO ULTRA)rapid test.my results HIV1 &2 :negative(0.02) and p24 ag:neagative(ND means not detected).am so worried that the result is accurate or i should go for retest again.can u tell me the my exact health status.am negative or positive