Herpes simplex virus is a common virus that causes both oral herpes (HSV-1) and genital herpes (HSV-2). Posted bymicrogen@dev May 7, 2024July 16, 2024 Leave a comment on Herpes simplex virus is a common virus that causes both oral herpes (HSV-1) and genital herpes (HSV-2). Herpes simplex virusis a common virus that causes both oral herpes (HSV-1) and genital herpes (HSV-2).