 [ Symptoms ] i have made hiv 12 + p24 antigen test am i free from hiv [ Disease ] hi 1  yes hiv 12 + p24 antigen detect both antibody and antigen 2 after the 166 day test you are 100 hiv free 3  yes you needed the 166 day to confirm as yes you could have turned positive on the last one 4 yes you can have sex without being afraid good luck