What Causes Cold Sores - Which Trigger Causes Your Cold Sore?
What causes colds sores and fever blisters (oral herpes) in most - but not in everyone? Let me show you, right now, what causes cold sores in 99% of these cases. What causes cold sores, basically, is the herpes simplex virus. It comes in two varieties - type 1 and type 2. Both create identical sores. Most common is type 1 which is responsible for about 80% of the outbreaks. The herpes virus, most of your life, is inactive - hiding deep in the nerves, where your facial nerve