It decreases the chance by 30%, so not by much.Condoms don't protect against HSV2 as it's contracted via skin to skin contact. Y'all claim to do all this fukkin' yet somehow, don't ever seem to have any facts regarding STD's or sexual health.
I'm saying that it's a crap shoot as to whether you get infected or not, so I personally wouldn't worry about it once a condom is on.
You did your part, so it's out of your hands now