Influenza virus
influenza virus n.
Any of three viruses of the genus Influenzavirus designated type A, type B, and type C, that cause influenza and influenzalike infections.
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- Influenzavirus
Influenzavirus In·flu·en·za·vi·rus (ĭn’flōō-ěn’zə-vī’rəs) n. A genus of the Orthomyxoviridae family, including the viruses that cause influenza A and B; each type has a stable nucleoprotein group antigen common to all strains of the type, but distinct from that of the other type.
- Influenza virus type a
influenza virus type A n. A myxovirus of the genus Influenzavirus, antigenically varying from influenza virus type B and influenza virus type C, that causes acute respiratory illness in humans.
- Influenza virus type b
influenza virus type B n. A myxovirus of the genus Influenza, antigenically varying from influenza virus type A and influenza virus type C, that causes various respiratory illnesses in humans.
- Influenza virus type c
influenza virus type C n. A myxovirus of the genus Influenzavirus, antigenically varying from influenza virus type A and influenza virus type B, that causes respiratory illness in humans.
- Influenza virus vaccine
influenza virus vaccine n. A vaccine containing influenza virus, usually several strains of the virus, prepared in chick embryos and used to immunize against influenza.