hai mum,here are the answers to all your questions,your 4 week pinprick antibody test is encouraging average is 25 days and you have crossed that mark, my guess is you are almost in the clear. sores related to syphilis occurs 2 to 3 weeks after exposure, the window period that mimics hiv is hepatitis,Thrush is not ars symptom thrush related to hiv occurs only at late stage of infection.