Sorry it took so long to get back to you. You describe very low risk behavior so your risks of acquiring anything are very very low. It sounds like you have antibody to hepatitis A which you may have acquired in childhood and cleared so no you don't need to get vaccinated for hep A. If you don't have antibody to hep B, which it sounds like you don't then you should get vaccinated for hep B which takes 3 shots. Hepatitis C is not at all likely nor is HIV from those minimal risk activities. It sound like most of what you are feeling is guilt. Relax and bring a
condomCondoms
Female condoms with you next time! DTD
Any ideas?