Influenzavirus B
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|- style="text-align:center; background:violet;" !Genera |- | style="padding: 0 .5em;" | Influenzavirus A
Influenzavirus B
Influenzavirus C
Isavirus
Thogotovirus |} The Orthomyxoviridae are a family of RNA viruses which infect vertebrates. It includes those viruses which cause influenza.
Influenzavirus B is a genus in the virus family Orthomyxoviridae. The only species in this genus is called "Influenza B virus".
Influenza B viruses are known to infect humans and seals, giving them influenza.
The annually updated trivalent flu vaccine consists of hemagglutinin (HA) surface glycoprotein components from influenza H3N2, H1N1, and B influenza viruses.
Sources
- [International Committee on Taxonomy of Viruses - 46.0.4. Influenzavirus B]
- [Influenza A (H3N2) Outbreak, Nepal] annually updated trivalent vaccine contents listed
- [Influenza B virus in seals]
Further reading
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