Virus

Latin virus (“venom or poison”).

Wikispecies

Virus n

1. The taxonomic kingdom made up of the viruses, submicroscopic non-cellular structures consisting of a core of DNA or RNA surrounded by a protein coat, that require a living host cell to replicate, and often cause disease in the host.

• Virus is the only taxon in this kingdom that is not italicized, in contrast to the practice in other kingdoms, in which only taxa at the rank of genus and below are italicized.

ICTV taxonomy

• (kingdom): Caudovirales; Herpesvirales; Ligamenvirales; Mononegavirales; Nidovirales; Picornavirales; Tymovirales - orders
  • Adenoviridae, Ampullaviridae; Arenaviridae; Ascoviridae; Asfarviridae; Astroviridae; Avsunviroidae; Baculoviridae; Barnaviridae; Birnaviridae; Bromoviridae; Bunyaviridae; Caliciviridae; Caulimoviridae; Chrysoviridae; Circoviridae; Closteroviridae; Corticoviridae; Cystoviridae; Endornaviridae; Flaviviridae; Flexiviridae; Fuselloviridae; Geminiviridae; Globuloviridae; Guttaviridae; Hepadnaviridae; Hypoviridae; Inoviridae; Iridoviridae; Leviviridae; Luteoviridae; Metaviridae; Microviridae; Mimiviridae; Nanoviridae; Narnaviridae; Nimaviridae; Nodaviridae; Ophioviridae; Orthomyxoviridae; Papillomaviridae; Partitiviridae; Parvoviridae; Phycodnaviridae; Picobirnaviridae; Plasmaviridae; Polydnaviridae; Polyomaviridae; Pospiviroidae; Potyviridae; Poxviridae; Pseudoviridae; Reoviridae; Retroviridae; Tectiviridae; Tetraviridae; Togaviridae; Tombusviridae; Totiviridae - unassigned families
  • Bacilladnavirus; Cilevirus; Deltavirus; Dinodnavirus; Emaravirus; Higrevirus; Idaeovirus; Ourmiavirus; Polemovirus; Rhizidiovirus; Salterprovirus; Sobemovirus; Tenuivirus; Umbravirus; Varicosavirus - unassigned genera

Baltimore genome-based classification

• I dsDNA virus; II ssDNA virus; III dsRNA virus; IV (+)ssRNA virus; V (-)ssRNA virus; VI ssRNA-RT virus; VII dsDNA-RT virus - groups

From Latin vīrus n. Masculine gender comes from misunderstanding of Latin plurals on -us.

• Audio

  (file)

Virus n or m (plural Viren or Vira or Virusse)

1. virus
   • 1932, Ergebnisse der gesamten Medizin, Band 17, Urban & Schwarzenberg, p.132:

     Völlig verfehlt ist die Vorstellung, als ob die Virusse nichts anderes wären als ganz kleine Bakterien oder kleinste, uns bisher nicht sichtbare Formen dieser Lebewesen.

   • 1940, Eugen Haagen, 4. Viruskrankheiten, in: Hans Reiter & Bernhard Möllers (eds.), Carl Flügges Grundriss der Hygiene für studierende und praktische Ärzte[,] Medizinal- und Verwaltungsbeamte. Elfte Auflage, Verlag von Julius Springer, Berlin, p.792:

     Die Vira stellen eine wichtige Gruppe von Krankheitserregern dar, die im System der Mirkoorganismen eine besondere Stellung einnehmen.

• The masculine gender is colloquial, and the plural Vira is only used with neuter gender.

• Virus in Duden online

Virus m (genitive Virī); second declension

1. A river of Hispania Tarraconensis, now the Anllóns

Second declension.

• Virus in William Smith, editor (1854, 1857) A Dictionary of Greek and Roman Geography, volume 1 & 2, London: Walton and Maberly