Clued up on cold sores? See how much you know with these true or false facts
True True True True False False False False True False
Do you need help? 1 TRUE Cold sores are caused by the herpes simplex virus. But it’s the HSV-1 strain that causes oral cold sores, rather than HSV-2 which affects genitals. However, it is possible for people to get mouth cold sores through oral sex...