| ICD9 = | MeshID = D003586 }} Cytomegalovirus (from the Greek cyto-, "cell", and -megalo-, "large")'s a herpes viral genus of the Herpesviruses group: in humans it's commonly known as HCMV or Human Herpesvirus 5 (HHV-5). CMV belongs to the Betaherpesvirinae subfamily of Herpesviridae, which also includes Roseolovirus. Other herpesviruses fall into the subfamilies of Alphaherpesvirinae (including HSV 1 and 2 and varicella) or Gammaherpesvirinae (including Epstein-Barr virus).) as indicated by t… (More on Cytomegalovirus)