Very low but not zero 4% per year male to female; Transmission to an uninfected partner occurs following coitus … 4% chance transmission from female to male; Further, whatever transmission chance exists is further reduced by your partner's antiviral therapy.
The reason is just the natural way female and male bodies function and interact. I've only had one outbreak, as far as i know, and the only symptom that i can recall was an incredibly bad pain in my lower back, which my doctor seemed to think did not suggest herpes. 4% chance transmission from female to male; Cold sores contain high concentrations of the virus and hence increase the chances of transmission significantly. Specifically receiving oral, no vaginal sex. Transmission to an uninfected partner occurs following coitus … No risk if her hsv 2 infection is genital. If partners also use condoms and antiviral medications: