the risk is even lower for hsv1 genitally.
has he been tested yet to know his own status? even if he can't recall ever having had a cold sore, he very well might have hsv1 orally himself.
in canada, getting type specific herpes igg blood testing takes being very firm with your provider to order it and you also have to pay out of pocket.
there is terrific info on herpes here on the main asha site and also in the free herpes handbook at
www.westoverheights.com. The handbook was written by Terri Warren who is on asha's advisory board.
betsy