The Viruses
   The DNA Viruses
     The dsDNA Viruses
       Family Poxviridae
         Subfamily Chordopoxvirinae
           Genus Orthopoxvirus
             1 Camelpox virus
             2 Cowpox virus
             3 Ectromelia virus
             4 Monkeypox virus
             5 Raccoonpox virus
             6 Taterapox virus
             7 Vaccinia virusᵀ
             8 Variola virus
             9 Volepox virus