Hey i had unprotected sex with a sex worker and now i an worried about getting hiv, she had rash on her abdomen and lower thighs, legs the rash was like 5 to 6 red spots in a group, and she said she is feeling sick, then its been 20 days from now and i am feeling so sick i used tenofir tablets for 6 days after the exposure because in the fear a d panic, then i got diahrea and rash too also internel fever i am feeling hot on body, i made her test and she came negative but my question here is that she has crossed the window period or not yet? The day we had sex she already had the symptoms and then she said she is having typhoid kindly help me