Data from the National Health and Nutrition Examination Survey
- During 2015–2016, prevalence of herpes simplex virus type 1 (HSV-1) was 47.8%, and prevalence of herpes simplex virus type 2 (HSV-2) was 11.9%.
- Prevalence of both HSV-1 and HSV-2 increased with age.
- Prevalence of both HSV-1 and HSV-2 was higher among females than males.
- Prevalence of HSV-1 was highest among Mexican-American persons and lowest among non-Hispanic white persons. HSV-2 prevalence was highest among non-Hispanic black persons and lowest among non-Hispanic Asian persons.
- Prevalence of both HSV-1 and HSV-2 decreased from 1999–2000 to 2015–2016 (from 59.4% to 48.1%, and from 18.0% to 12.1%, respectively).