More than 100 animal herpes virus, 9 are known to cause disease in humans. Humans are the natural reservoir for the other 8 viruses; that is, these virus are normally spread from human to human and generally do not cause disease in other animals. In addition to herpes simplex virus types 1 and 2, the other “human” herpes virus include the closely related varicella zoster virus and the more distant relatives including cytomegalo virus, Epstein-Barr virus, and the recently discovered human herpes virus 6, 7, and 8
Herpes simplex virus type 1 and type 2 Common Illness :