hsv 2 how many have it?
According to the World Health Organization, 3.7 billion people under age 50 have herpes simplex virus type 1 (HSV-1) — that's 67 percent of the global population in that age bracket. Another 417 million people (11 percent) between ages 15 and 49 worldwide have herpes simplex virus type 2 (HSV-2).