Dear Doctor, I was unprotected during having sex last month. the symptoms were. 2nd week, I have warm body with dry face and mouth. 3rd week, I had two swollen nodes on my right groin with warm body 4th week ( now ), My body was weak, a bit join paint, and I had a warm body with low night sweat last nigh I have had no fever at all, please explain if this may be caused from HIV injection? Thank you