Viral Taxonomy 。Herpesviridae 。Retroviridae ·Herpesvirus 。Lentivirus 。Human herpes 。Human virus 1,HHV 2, Immunodeficiency Virus HHV 3 1,HIV 2 Viral Taxonomy • Herpesviridae • Herpesvirus • Human herpes virus 1, HHV 2, HHV 3 • Retroviridae • Lentivirus • Human Immunodeficiency Virus 1, HIV 2