Hi sir, I am 30 year old male I had protected sex with sex worker whose hiv status was unknown immediately after 30 hour I started to take pep after 20 days while I am on pep I had protected sex with another sex worker this time her vaginal liquid sprayed on condom uncovered area and I believe she is in her maturation period since I am on pep for last 20 days in my 28 days course only 4 days remaining to complete is it required to continue it for next 28 days or this course will be enough and also is there any chance of getting hiv.