Age‐Specific Prevalence of Infection with Herpes Simplex Virus Types 2 and 1: A Global Review – HERPES

http://www.journals.uchicago.edu/doi/full/10.1086/343739?cookieSet=1

This is a very complex report but here are some key numbers –
quick note… Depending on the populations sample, the prevalence of infection can be up to 50% for HSV-2!
up to 99% for HSV-1
This means that on average 50-100% of the population carry HSV-1
It is a VERY common, usual and totally NORMAL condition!