1) Once hiv virus enter the body exactly how many days antibodies appear. 2) what hiv windowperiod. 3) some doctors says 3 months. Some Dr. say 6 months. Some Dr. say up to 1 year. Some Dr. say 3 months to 5 years. .what is the truth. 4) I am unprotected vaginal sex single exposer hiv positive girl. I am circumcised male. What is the chance of single exposerhiv transmission high or low. 5) my 15 months post exposure hiv rna pcr qualitative, 4th generation, elisa, hiv tridot, cd4 count all are negative. Hbsag,hcv ,vdrl all negative. 6) no one doctor can't say exact windowperiod. My result still negative but further future said become positive. Some doctor say every 6 months take hiv test. 7).97% people hiv windowperiod 3 months. About 3% people take longer. Why 3 % take longer how many months are years. 15 month post exposure rna qualitative not detected it 100 % conclusive. I am 100% negative or not.