Determinants of virulence of influenza A virus
Identifieur interne : 000871 ( Pmc/Corpus ); précédent : 000870; suivant : 000872Determinants of virulence of influenza A virus
Auteurs : Eefje J. A. Schrauwen ; Miranda De Graaf ; Sander Herfst ; Guus F. Rimmelzwaan ; Albert D. M. E. Osterhaus ; Ron A. M. FouchierSource :
- European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology [ 0934-9723 ] ; 2013.
Abstract
Influenza A viruses cause yearly seasonal epidemics and occasional global pandemics in humans. In the last century, four human influenza A virus pandemics have occured. Ocasionally, influenza A viruses that circulate in other species, cross the species barrier and infect humans. Virus re-assortment (i.e. mixing of gene segments of multiple viruses) and the accumulation of mutations contribute to the emergence of new influenza A virus variants. Fortunately, most of these variants do not have the ability to spread among humans and subsequently cause a pandemic. In this review we focus on the threat of animal influenza A viruses which have shown the ability to infect humans. In addition, genetic factors which could alter the virulence of influenza A viruses are discussed. Identification and characterization of these factors may provide insights into genetic traits which change virulence and help us to understand which genetic determinants are of importance for the pandemic potential of animal influenza A viruses.
Url:
DOI: 10.1007/s10096-013-1984-8
PubMed: 24078062
PubMed Central: 3969785
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PMC:3969785Le document en format XML
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<author><name sortKey="De Graaf, Miranda" sort="De Graaf, Miranda" uniqKey="De Graaf M" first="Miranda" last="De Graaf">Miranda De Graaf</name>
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<author><name sortKey="Herfst, Sander" sort="Herfst, Sander" uniqKey="Herfst S" first="Sander" last="Herfst">Sander Herfst</name>
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<author><name sortKey="Rimmelzwaan, Guus F" sort="Rimmelzwaan, Guus F" uniqKey="Rimmelzwaan G" first="Guus F." last="Rimmelzwaan">Guus F. Rimmelzwaan</name>
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<front><div type="abstract" xml:lang="en"><p id="P1">Influenza A viruses cause yearly seasonal epidemics and occasional global pandemics in humans. In the last century, four human influenza A virus pandemics have occured. Ocasionally, influenza A viruses that circulate in other species, cross the species barrier and infect humans. Virus re-assortment (i.e. mixing of gene segments of multiple viruses) and the accumulation of mutations contribute to the emergence of new influenza A virus variants. Fortunately, most of these variants do not have the ability to spread among humans and subsequently cause a pandemic. In this review we focus on the threat of animal influenza A viruses which have shown the ability to infect humans. In addition, genetic factors which could alter the virulence of influenza A viruses are discussed. Identification and characterization of these factors may provide insights into genetic traits which change virulence and help us to understand which genetic determinants are of importance for the pandemic potential of animal influenza A viruses.</p>
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<pmc article-type="research-article"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
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<front><journal-meta><journal-id journal-id-type="nlm-journal-id">8804297</journal-id>
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<journal-id journal-id-type="nlm-ta">Eur J Clin Microbiol Infect Dis</journal-id>
<journal-id journal-id-type="iso-abbrev">Eur. J. Clin. Microbiol. Infect. Dis.</journal-id>
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<title-group><article-title>Determinants of virulence of influenza A virus</article-title>
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<contrib-group><contrib contrib-type="author"><name><surname>Schrauwen</surname>
<given-names>Eefje J.A.</given-names>
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<contrib contrib-type="author"><name><surname>de Graaf</surname>
<given-names>Miranda</given-names>
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<contrib contrib-type="author"><name><surname>Herfst</surname>
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<contrib contrib-type="author"><name><surname>Rimmelzwaan</surname>
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<contrib contrib-type="author"><name><surname>Osterhaus</surname>
<given-names>Albert D.M.E.</given-names>
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<contrib contrib-type="author"><name><surname>Fouchier</surname>
<given-names>Ron A.M.</given-names>
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<xref ref-type="corresp" rid="cor1">*</xref>
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<aff id="A1">Department of Viroscience, Postgraduate School Molecular Medicine, Erasmus Medical Center, Rotterdam, The Netherlands</aff>
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<author-notes><corresp id="cor1"><label>*</label>
Corresponding author: R.A.M. Fouchier, PhD. Dept. Virology, Erasmus Medical Center Rotterdam P.O. Box 2040, 3000 CA Rotterdam Telephone: +31 10 7044066, Fax: +31 10 7044760 <email>r.fouchier@erasmusmc.nl</email>
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<fn id="FN1" fn-type="conflict"><p id="P35"><bold>Conflict of interest</bold>
</p>
<p id="P36">The authors declare that they have no conflict of interest.</p>
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<pub-date pub-type="nihms-submitted"><day>16</day>
<month>11</month>
<year>2013</year>
</pub-date>
<pub-date pub-type="epub"><day>29</day>
<month>9</month>
<year>2013</year>
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<pub-date pub-type="ppub"><month>4</month>
<year>2014</year>
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<pub-date pub-type="pmc-release"><day>24</day>
<month>4</month>
<year>2014</year>
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<volume>33</volume>
<issue>4</issue>
<fpage>479</fpage>
<lpage>490</lpage>
<pmc-comment>elocation-id from pubmed: 10.1007/s10096-013-1984-8</pmc-comment>
<abstract><p id="P1">Influenza A viruses cause yearly seasonal epidemics and occasional global pandemics in humans. In the last century, four human influenza A virus pandemics have occured. Ocasionally, influenza A viruses that circulate in other species, cross the species barrier and infect humans. Virus re-assortment (i.e. mixing of gene segments of multiple viruses) and the accumulation of mutations contribute to the emergence of new influenza A virus variants. Fortunately, most of these variants do not have the ability to spread among humans and subsequently cause a pandemic. In this review we focus on the threat of animal influenza A viruses which have shown the ability to infect humans. In addition, genetic factors which could alter the virulence of influenza A viruses are discussed. Identification and characterization of these factors may provide insights into genetic traits which change virulence and help us to understand which genetic determinants are of importance for the pandemic potential of animal influenza A viruses.</p>
</abstract>
<kwd-group><kwd>Influenza A viruses</kwd>
<kwd>virulence factors</kwd>
<kwd>pandemic threat</kwd>
<kwd>transmission</kwd>
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