Viral shedding is what hanpeps when you spread herpes with out having an out break. The virus lives in the nervous system and is triggered to break out usually when you have a lot of stress on your body, or when your immune system is lowered. HSV is spread through skin to skin contact like kissing, having oral sex or sexual intercourse when you come into contact with the mucous membrane of an open sore or blister. Herpes not passed through body fluids.If you only have HSV1 on your mouth then you are not able to spread it through vaginal fluids. Just because you have it on the mouth that doesn't mean you have it on your genitals too. So you won't be able to spread it through sexual intercourse.HSV1 is not commonly passed to the mouth through having sexual intercourse, this type is more commonly passed on by kissing. But it can be passed onto the genitals when you give oral sex with an out break.