The Viruses
   The DNA Viruses
     The dsDNA Viruses
       Family Herpesviridae
         Subfamily Alphaherpesvirinae
           1 Genus Simplexvirus
           2 Genus Varicellovirus
           3 Genus Mardivirus
           4 Genus Iltovirus
           5 Psittacid herpesvirus 1