Herpes is caused by one of two viruses: herpes simplex type 1 (HSV1) and herpes simplex type 2 (HSV2). Herpes is a common infection that causes “cold sores” or “fever blisters” on the mouth or face (known as oral herpes) and similar symptoms in the genital region (known as genital herpes).
Information for the General Public
Information for Healthcare Professionals
- American Sexual Health Association
- Centers for Disease Control & Prevention
- Mayo Clinic
- MedLine Plus
- Planned Parenthood