Virus
smallpox virus
small·pox vi·rus [ smawl-poks vahy-ruhs ]
Subclass of:
Orthopoxvirus
Definitions related to smallpox viruses:
  • (variola virus) Any viral organism that can be assigned to the species Variola virus.
    CDISC Terminology
    Clinical Data Interchange Standards Consortium (CDISC), 2021
  • (variola virus) A species of ORTHOPOXVIRUS causing infections in humans. No infections have been reported since 1977 and the virus is now believed to be virtually extinct.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
  • (variola virus) An orthopoxvirus that is the causative agent of smallpox.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • (smallpox virus) Species of orthopoxvirus causing infections in humans, virtually extinct in nature.
    CRISP Thesaurus
    National Institutes of Health, 2006
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.