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There are two main types of influenza (flu) virus: Types A and B. Influenza A and B viruses that routinely spread in people (human influenza viruses) are responsible for seasonal flu epidemics each year. ... Types of Influenza Viruses; Influenza A and B viruses are responsible for seasonal flu epidemics each year …...
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www.cdc.gov/FLU/about/viruses/index.htm
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There are three types of influenza viruses: A, B and C. Human influenza A and B viruses cause seasonal epidemics of disease almost every winter in the United States. The emergence of a new and very different influenza virus to infect people can cause an influenza pandemic.
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www.cdc.gov/FLU/about/viruses/types.htm
www.cdc.gov/FLU/about/viruses/types.htm
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Apr 29, 2009 ... There are three types of influenza viruses: A, B, and C. Only influenza A viruses are further classified by subtype on the basis of the two ...
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www.lsu.com/PubSafety/oes.nsf/$Content/homepage/$file/I...
www.lsu.com/PubSafety/oes.nsf/$Content/homepage/$file/Influenza.pdf
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BioInfoBank Library :: [The three types of influenza A.] [What is a possible human case of avian flu?] [The organisation of intensive care in a situation of pandemic avian influenza] [Avian influenza] [The national prevention plan and the 'influenza pandemic' campaign] [Influenza pandemic. ... New influenza A(H1N1) vaccine:
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lib.bioinfo.pl/pmid:16430808/pmid/sim
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BioInfoBank Library :: [The three types of influenza A.] Surgery and Risk of Sporadic Creutzfeldt-Jakob Disease in Denmark and Sweden: Registry-Based Case-Control Studies. Pursuing the clinical significance of Blastocystis - diagnostic limitations. ... Keywords: influenza; pandemic; three type; h5n; avian; seasonal;
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lib.bioinfo.pl/pmid:16430808
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Mainly, there are three types of Influenza viruses i.e. 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.
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www.angelfire.com/nj/inquisitivemind/influenza.html
www.angelfire.com/nj/inquisitivemind/influenza.html
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The flu (influenza) viruses; Influenza viruses cause the flu and are divided into three types, designated A, B, and C. Influenza types A and B are responsible for epidemics of respiratory illness that occur almost every winter and are often associated with increased rates of hospitalization and death.
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www.medicinenet.com/influenza/article.htm
www.medicinenet.com/influenza/article.htm
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Influenza - Wikipedia, the free encyclopedia
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Influenza , commonly referred to as the flu , is an infectious disease caused by RNA viruses of the family Orthomyxoviridae (the influenza viruses), that affects birds and mammals. The name influe...
en.wikipedia.org/wiki/Influenza
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There are three flu types -- A, B, and C. Type A influenza is the most frightening and is believed to be responsible for the global outbreaks of 1918, 1957, and 1968. The flu virus is further categorized according to where the strain was first found, a lab identification number, the year of discovery, and the type of...
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flu.emedtv.com/flu/types-of-flu.html
flu.emedtv.com/flu/types-of-flu.html
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