Influenzavirus B

(redirected from Influenza B virus)
Also found in: Dictionary, Thesaurus, Legal, Encyclopedia.
Related to Influenza B virus: influenza virus, Influenza C virus

Influenzavirus

 [in″floo-en´zah-vi″rus]
former genus name for the viruses that cause influenza, now found to be two different genera, which were named influenzavirus A and influenzavirus B.
Influenzavirus A a genus of viruses containing the agent of influenza A. See also influenza virus.
Influenzavirus B a genus of viruses containing the agent of influenza B. See also influenza virus.
Influenzavirus C a genus of viruses containing the agent of influenza C. See also influenza virus.

Influenzavirus B

/In·flu·en·za·vi·rus B/ a genus of viruses of the family Orthomyxoviridae containing the agent of influenza B. See influenza virus, under virus.

Influenzavirus B

a genus of viruses of the family Orthomyxoviridae containing the agent of influenza B. It affects only humans. It can cause epidemics, albeit not as severe as those caused by influenza A. Vaccination against influenza B is available. See also influenza.
References in periodicals archive ?
Influenza B virus NB glycoprotein is a component of the virion.
The N- and C-terminal domains of the NS1 protein of influenza B virus can independently inhibit IRF-3 and beta interferon promoter activation.
Influenza B virus prototype strains with good growth characteristics are usually obtained by direct and repeated passaging in embryonated eggs without attempting to generate reassortants.
Four deaths were associated with an influenza A (H3) virus, two deaths were associated with an influenza A virus for which no subtyping was performed, and one death was associated with an influenza B virus.