#poxvirus  any of a group of viruses that can cause pox diseases in vertebrates
  supertype:  #animal_virus  an animal pathogen that is a virus
  subtype:  #myxoma_virus  a poxvirus closely related to smallpox virus; causes benign gelatinous tumors in humans
  subtype:  #variola_virus__variolaviru__smallpox_virus  the virus that causes smallpox in humans
     subtype:  #variola_major_virus__variolamajorviru__variola_major__variolamajor  a type of smallpox virus that has a fatality rate of up to 25 percent
     subtype:  #variola_minor_virus__variolaminorviru__variola_minor__variolaminor  a type of smallpox virus that has a fatality rate of about 1 percent

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