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The Collaborative International Dictionary
Herpesvirus

Herpesvirus \Her"pes*vir`us\, n. (Med.) any of several dozen DNA-containing virus of the family Herpetoviridae, including among them such human-disease-causing agents as Herpes simplex virus causing oral and genital herpes, varicella-zoster virus ( Herpes zoster virus) causing shingles and chickenpox (varicella), Epstein-Barr virus (EB virus) causing infectious mononucleosis, and Cytomegalovirus.

Wiktionary
herpesvirus

n. (context biology English) Any of the family ''Herpesviridae'', double-stranded DNA viruses, many of which are responsible for diseases such as chickenpox, herpes simplex, and shingles, and others affecting animals.