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What are the types of herpes simplex virus (HSV)?

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There are two types of herpes simplex virus: type 1 (HSV-1 or oral herpes) and type 2 (HSV-2 or genital herpes). Most commonly, HSV-1 causes fever blisters or cold sores around the mouth and lips. HSV-1 can cause genital herpes, but most cases of genital herpes are caused by HSV-2. In HSV-2, the infected person may have sores around the genitals or rectum. Although HSV-2 sores may occur in other places, these sores usually are found below the waist.

From: Skin and Herpes Simplex Viruses WebMD Medical Reference

SOURCE: MerckManuals.com: "Herpes Simplex Virus Infections."

Reviewed by Debra Jaliman on August 27, 2019

SOURCE: MerckManuals.com: "Herpes Simplex Virus Infections."

Reviewed by Debra Jaliman on August 27, 2019

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How is herpes spread?

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