97% people hiv windowperiod within 3 months. About 3 % people take longer which reason take longer hiv windowperiod. 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. 16 months post exposure hiv rna pcr qualitative, western blot, 4th generation all negative. It is conclusive. I am not sexually active. I am not take any medication. I am healthy. I am 100% negative. Any further test needed.