Is it possible to have false negative HIV antibody test 1 year post sexual exposure.because exactly 1 and a half year post my last unprotected sexual intercourse my rapid HIV antibody test is negative.before that i have done 6 test those were also negative.the last test was glow through immunofiltration test.so am i clear or should i have to worry about HIV.i never had any sexual exposure from that exposure.plz reply as soon as possible.thank you..