I Had Unpprotected Oral Sex Which Was Recieving Oral Sex

I had unpprotected oral sex which was recieving oral sex it lasted only for <3 minutes the girl is definitely hiv positve i tested hiv at 6weeks it was negative and again tested at 8 weeks it was again negative and tested at 10 weeks i was negative now its 11 weeks i had some syptoms like flu like syptoms and a diarrhea and i met my doctor and all notified it was an intestine problem they gave me a medicine and it stops by the 3rd day so now whats my risk for having hiv trough oral sex