Virus
helper virus
help·er vi·rus
Subclass of:
Virus
Definitions related to helper viruses:
  • (helper virus) A virus which provides the factor(s) needed by a defective virus for replication; for certain plant virus complexes the term refers to the virus which confers insect transmissibility to the complex.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • Viruses which enable defective viruses to replicate or to form a protein coat by complementing the missing gene function of the defective (satellite) virus. Helper and satellite may be of the same or different genus.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
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