Orthomyxoviridae
Family of RNA viruses including the influenza viruses / From Wikipedia, the free encyclopedia
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Orthomyxoviridae (from Greek ὀρθός, orthós 'straight' + μύξα, mýxa 'mucus')[1] is a family of negative-sense RNA viruses. It includes seven genera: Alphainfluenzavirus, Betainfluenzavirus, Gammainfluenzavirus, Deltainfluenzavirus, Isavirus, Thogotovirus, and Quaranjavirus. The first four genera contain viruses that cause influenza in birds (see also avian influenza) and mammals, including humans. Isaviruses infect salmon; the thogotoviruses are arboviruses, infecting vertebrates and invertebrates (such as ticks and mosquitoes).[2][3][4] The Quaranjaviruses are also arboviruses, infecting vertebrates (birds) and invertebrates (arthropods).
Orthomyxoviridae | |
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Influenza A and influenza B viruses genome, mRNA, and virion diagram | |
Virus classification | |
(unranked): | Virus |
Realm: | Riboviria |
Kingdom: | Orthornavirae |
Phylum: | Negarnaviricota |
Class: | Insthoviricetes |
Order: | Articulavirales |
Family: | Orthomyxoviridae |
Genera | |
The four genera of Influenza virus that infect vertebrates, which are identified by antigenic differences in their nucleoprotein and matrix protein, are as follows:
- Alphainfluenzavirus infects humans, other mammals, and birds, and causes all flu pandemics
- Betainfluenzavirus infects humans and seals
- Gammainfluenzavirus infects humans and pigs
- Deltainfluenzavirus infects pigs and cattle.