Definitions for "Herpes simplex"
Keywords:  simplex, blister, viral, sore, mucous
either of two forms of herpesvirus infection, distinguished as being caused by herpes simplex virus type 1 (HSV-1), which causes mostly sores and eruptions around the mouth (cold sores and fever blisters) and at other points above the waist, and herpes simplex virus type 2 (HSV-2), causing genital herpes. HSV-1 is also known in some cases to cause genital herpes infections.
member of herpesviruses that cause more human illnesses than any other viral group; herpes simplex-1 causes cold sores; herpes simplex-2 is the main cause of genital herpes.
Cold sore.