Chances of HIV Positive I had one unprotected encounter with a sex worker I did following tests for HIV HIV Antibody Test at 21 Days Negative HIV Antibody Test at 2 months Negative CMIA Method at 12 weeks Negative Rapid Test at 3 months Negative CMIA test at 20 weeks (4.5 months) Negative CMIA Test at 22.5 days (Dr Lal Path Lab) is it conclusive I have some problems headache someone muscle pains and Joins Pains