Ectromelia virus
Ectromeria virus;ectv
Vaccinia virus
(tree size 2)
Vaccinia
Camelpox virus
Monkeypox virus
Variola virus (vaccinia)
Cowpox virus
Raccoonpox virus
Skunkpox virus
Taterapox virus
Volepox virus
Abatino macacapox virus
Akhmeta virus