This is pretty low risk of anything. But it sounds like you need to test to put your mind at ease. At two weeks have a throat swab for gon and chlam. At 12 weeks test for HIV, Hep B/C and syphilis.
Overall though with zero symptoms, testing is not recommended for such a low risk event.
1 in millions chance or longer. Whilst your updating your status for partners though, it is a great set of negative results to show!