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Encyclopedia > Influenzavirus B

Influenzavirus B is a genus in the virus family Orthomyxoviridae. The only species in this genus is called "Influenza B virus". The human immunodeficiency virus (HIV) A virus is a microscopic parasite that infects cells in biological organisms. ... Genera Influenzavirus A Influenzavirus B Influenzavirus C Isavirus Thogotovirus The Orthomyxoviridae are a family of RNA viruses which infect vertebrates. ...


Influenza B viruses are known to infect humans and seals, giving them influenza. [[|Diversity]] Binomial name Homo sapiens Linnaeus, 1758 Trinomial name Type Species Subspecies Homo sapiens idaltu (extinct) Homo sapiens sapiens [[Image: ]] Synonyms Homo (genus). ... Families Odobenidae Otariidae Phocidae Pinnipeds (fin-foots, lit. ... Negatively stained flu virions. ...


The annually updated trivalent flu vaccine consists of hemagglutinin (HA) surface glycoprotein components from influenza H3N2, H1N1, and B influenza viruses. The flu vaccine is a vaccine to protect against the highly variable Influenza virus. ... Hemagglutinin, as depicted in a simplified molecular model. ... The Hong Kong Flu was a pandemic outbreak of influenza that began in Hong Kong in 1968 and spread to the United States of America that year. ...


Sources

Further reading

  • Emergence of an Influenza B Virus with Antigenic Change

  Results from FactBites:
 
Influenzavirus B - Wikipedia, the free encyclopedia (529 words)
Influenzavirus B is a genus in the virus family Orthomyxoviridae.
This limited host range is apparently responsible for the lack of Influenzavirus B caused influenza pandemics in contrast with those caused by the morphologically similar Influenzavirus A as both mutate by both genetic drift and reassortment.
According to the International Committee on Taxonomy of Viruses the Influenzavirus B virus capsid is enveloped while its virion consists of an envelope, a matrix protein, a nucleoprotein complex, a nucleocapsid, and a polymerase complex.
Influenza Virus (2022 words)
type A, B and C. Of these, type A virus has highest antigenic variability resulting in its antigenic shift and antigenic drift, properties that are major problems for defence and developing vaccine against this virus.
Influenzavirus A and B contain human and animal strains of influenza type A and human strains of influenza type B. Influenzavirus C contains human strains of influenza type C virus and also Swine strains.
Classification of the viruses into A, B, and C is allowed by the antigenic differences of the two internal structural proteins i.e.
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