Herpes simplex virus type 1 (HSV-1) HSV-1 is a highly contagious infection, that is common and endemic throughout the world. Most HSV-1 infections are acquired during childhood, and infection is lifelong.

Is HSV-1 easily spread?

How do you get herpes? Herpes is easily spread from skin-to-skin contact with someone who has the virus. You can get it when your genitals and/or mouth touch their genitals and/or mouth — usually during oral, anal, and vaginal sex.

What are the chances of transmitting HSV-1?

The virus spreads more quickly during an outbreak. An estimated 67 percent of people ages 49 or younger are seropositive for HSV-1, though they may never experience an outbreak. Its also possible to get genital herpes from HSV-1 if someone who performed oral sex had cold sores during that time.