|CMV infection of a lung pneumocyte.|
|Group:||Group I (dsDNA)|
Cytomegalovirus (from the Greek cyto-, "cell", and -megalo-, "large") is a viral genus of the Herpesviruses group in humans it is 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). All herpesviruses share a characteristic ability to remain latent within the body over long periods.