Virus
influenzavirus B
Subclass of:
Orthomyxoviridae
Definitions related to influenzavirus b:
  • (betainfluenzavirus) A genus of the family ORTHOMYXOVIRUS causing HUMAN INFLUENZA and other diseases primarily in humans. In contrast to INFLUENZAVIRUS A, no distinct antigenic subtypes of hemagglutinin (VIRAL HEMAGGLUTININ) and NEURAMINIDASE are recognized. The type species is INFLUENZA B VIRUS.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • Genus of the family Orthomyxovirus causing influenza and other diseases primarily in humans; in contrast to influenzavirus A, no distinct antigenic subtypes of hemagglutinin (hemagglutins) and neuraminidaes are recognized.
    CRISP Thesaurus
    National Institutes of Health, 2006
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