Influenza C virus

Gammainfluenzavirus influenzae
Virus classification
(unranked):	Virus
Realm:	Riboviria
Kingdom:	Orthornavirae
Phylum:	Negarnaviricota
Class:	Insthoviricetes
Order:	Articulavirales
Family:	Orthomyxoviridae
Genus:	Gammainfluenzavirus
Species:	Gammainfluenzavirus influenzae
Synonyms
Influenza C virus

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Influenza C virus is the only species in the genus Gammainfluenzavirus, in the virus family Orthomyxoviridae, which like other influenza viruses, causes influenza.

Influenza C viruses are known to infect humans and pigs.^[1]

Flu due to the Type C species is rare compared with Types B or A, but can be severe and can cause local epidemics. Type C has 7 RNA segments and encodes 9 proteins, while Types A and B have 8 RNA segments and encode at least 10 proteins.^{[citation needed]}