Influenzavirus C is a genus in the virus family Orthomyxoviridae, which includes those viruses which cause influenza. The only species in this genus is called "Influenza C virus".
Influenza C viruses are known to infect humans and pigs, giving them influenza. Flu due to the type C species is rare compared to types A or B, but can be severe and can cause local epidemics.
Types A and B have 8 RNA segments and encode at least 10 proteins. Subtype C has 7 RNA segments and encodes 9 proteins.
- ^ Guo Y., Jin F., Wang P., Wang M., Zhu J.M. (1983). "Isolation of Influenza C Virus from Pigs and Experimental Infection of Pigs with Influenza C Virus". Journal of General Virology 64: 177–82. doi:10.1099/0022-1317-64-1-177. PMID 6296296.