PEP treatment. Her vagina surface.

Recently one worst situation happend to me. when i came to room from office as on 13.02.2020 one of my friend bring a prostitute to room. i unknowingly went the room and when i removed my shirt for dress change that girl came my side (as my friend instructions)  and hugged to me with topless. for that movemet i too hugged her for few minutes( with topless) after that she tried to remove her pant. then i shuddently threw away that girl from my side. when i tried to kick out to that girl my fingures are touched her vagina surface. after that event 14 feb i consult doctor and i taken pep within 24 hours of that event from that day i am sleepless and am very depreced without my fault. pls suggest me wether am in the risk zone.