herpesvirus /hur′pēzvī″rəs/ [Gk, herpein + L, virus, poison] , viruses from the family Herperviridae. At least seven species of herpesvirus are known to be infectious to man: herpes simplex viruses 1 and 2, varicella zoster virus, Epstein-Barr virus, cytomegalovirus, human herpesvirus 6, and human herpesvirus 7.
