Influenzavirus A

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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.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
References in periodicals archive ?
Type A influenza viruses are further classified into subtypes according to the combinations of various virus surface proteins.
Type A influenza viruses are further typed into subtypes according to different kinds and combinations of virus surface proteins.
The newly approved quadrivalent vaccine contains two strains of type A influenza (A/H1N1 and A/H3N2) and two type B strains, a Yamagata lineage strain and a Victoria lineage strain.
Studies on the antiviral activity of the extract were conducted and results showed that a low concentration of extract that would be safe to normal cells significantly inhibited the growth of a highly contagious avian type A influenza virus and slower mutating type B influenza virus.
The company is building on the previously successful animal model study where mice infected with H1N1 type A influenza virus were given two doses of the L-A nRNA product and all survived while control and placebo dosed mice all died within six days.
A: It is a contagious respiratory disease of pigs caused by type A influenza viruses.
Three types of viruses routinely circulate during flu season: two forms of type A influenza, dubbed H1N1 and H3N2, and one form of type B.
Avian influenza accounts for a variety of type A influenza viruses primarily affecting domestic fowl.
This study was conducted to evaluate the effect of oral Mao-to administration in children with type A influenza, in comparison to Oseltamivir.
Such candidates would be vaccines that enable the identification of field-exposed flocks through the detection of antibodies to an antigen that is common to all type A influenza viruses such as NP, M, or NS1.
In comparison to type A influenza viruses, type B viruses have been isolated later in the season and less frequently worldwide.
Global host immune response: pathogenesis and transcriptional profiling of type A influenza viruses expressing the hemagglutinin and neuraminidase genes from the 1918 pandemic virus.