WHO HAS HERPES? PRETTY MUCH EVERYONE, ACCORDING TO SCIENTISTS. How Many People Have Herpes? The Number Is Higher Than You Think But Scientists May Have Developed A Way To Fight It. “Everyone under the age of 50 has the herpes virus that triggers cold sores on the mouth, the World Health Organization reported in its first study of the disease two years ago.”

I’ve never had a cold sore, but according to this everyone has the virus regardless.