Meaning of defective virus in English:

defective virus

See synonyms for defective virus

noun

  • 1Infectious material (from a person or animal) which fails to induce immunity when used for vaccination; compare "virus"(now rare or disused).

  • 2A virus or virus particle which lacks some or all of the genes necessary for its replication.

Origin

Mid 19th century; earliest use found in The London Medical Gazette.