Herpes simplex viruses -- more commonly known as herpes-- are categorized into two types: herpes type 1 (HSV-1, or oral herpes) and herpes type 2 (HSV-2, or genital herpes). Most commonly, herpes type 1 causes sores around the mouth and lips (sometimes called fever blisters or cold sores). read more
There are two types of the herpes simplex virus. HSV-1: Also known as oral herpes, this type can cause cold sores and fever blisters around the mouth and on the face. HSV-2: This type is generally responsible for genital herpes outbreaks. read more