smallpox virus

/ˌsmɔlˈpɑks ˌvaɪrəs/
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Definitions of smallpox virus
  1. noun
    the virus that causes smallpox in humans; can be used as a bioweapon
    synonyms: variola virus
    see moresee less
    types:
    variola major, variola major virus
    a type of smallpox virus that has a fatality rate of up to 25 percent
    variola minor, variola minor virus
    a type of smallpox virus that has a fatality rate of about 1 percent
    type of:
    poxvirus
    any of a group of viruses that can cause pox diseases in vertebrates
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