i recently had sex with a girl i met on a bus, i had the first two rounds with a condom, but afterwards i did it without one but only pushed it in thrice didn't even stay inside her for 2 minutes, now i dont trust this girl and i have this mild flu,ever since and now i am really worried i was last tested about 2 months ago and i was negative. could i have caught HIV or not, pliz help. this gal has a baby boy.