This is because some people carry the infection, but don't have any symptoms. [title] Recognize the symptoms of the first outbreak.
[header] How to tell if you have a cold sore [title] Understand that hsv-1 infections are common. [step] Up to 60% of americans have hsvi-1 by adolescence, and 85% by the time they reached their 60s. In britain about seven in 10 people have it, but only one in five are aware of it.