orthomyxovirus
/ˌɔːθəʊˈmɪksəʊˌvʌɪrəs/Virology
noun
Any member of a group (originally the genus Orthomyxovirus, now the family Orthomyxoviridae) of enveloped, single-stranded RNA viruses which have a segmented genome and two types of glycoprotein (haemagglutinin and neuraminidase) projecting from the envelope, and which include the influenza viruses. Also (in form Orthomyxovirus): the (former) genus itself.
- In addition to the influenza viruses, the family Orthomyxoviridae now includes the genera Thogotovirus (containing tick-borne vertebrate viruses) and Isavirus (containing only the infectious salmon anaemia virus)..
Origin
1970s. From ortho- + myxovirus. Compare earlier paramyxovirus.
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