[viruses]
   Family Poxviridae
     Subfamily Chordopoxvirinae
       Genus Orthopoxvirus
         01 Camelpox virus
         02 Cowpox virus
         03 Ectromelia virus
         04 Monkeypox virus
         05 Raccoonpox virus
         06 Skunkpox virus
         07 Taterapox virus
         08 Vaccinia virusᵀ
         09 Variola virus
         10 Volepox virus