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
Herpes simplex virus type 1 is one of the two types of herpes simplex viruses; it may also be called HSV-1. This virus is more common than its counterpart and is the culprit for oral sores or cold sores. read more
Herpes type 1 is the strain of herpes simplex virus that is usually responsible for the development of cold sores. In contrast, herpes type 2 is the type which normally causes genital herpes symptoms. read more