Main Entry:

herpes sim·plex

Pronunciation:

\-ˈsim-ˌpleks\

Function:

noun

Etymology:

New Latin, literally, simple herpes

Date:

1907

: either of two diseases caused by herpesviruses (species Human herpesvirus 1 and Human herpesvirus 2 of the genus Simplexvirus) and marked especially by watery blisters on the skin or mucous membranes of the lips, mouth, face, or genital region