Wild ducks are the reservoir for only a limited number of influenza A subtypes.
Identifieur interne : 001318 ( Ncbi/Merge ); précédent : 001317; suivant : 001319Wild ducks are the reservoir for only a limited number of influenza A subtypes.
Auteurs : G. B. Sharp ; Yoshihiro Kawaoka [États-Unis] ; S. M. Wright ; B. Turner ; V. Hinshaw ; R. G. WebsterSource :
- Epidemiology and Infection [ 0950-2688 ] ; 1993.
Abstract
Analysis of cloacal samples collected from 12,321 wild ducks in Alberta, Canada, from 1976 to 1990 showed influenza A infections to be seasonal, with prevalences increasing as the population became increasingly more dense. Viruses with 3 haemagglutinin (H3, H4, and H6) and 3 neuraminidase subtypes (N2, N6, and N8) were found consistently to infect both adult and juvenile ducks each year, indicating that wild ducks may be a reservoir for these viruses. In contrast, viruses with 7 haemagglutinin (H2, H5, H7, H8, H9, H11, and H12) and 3 neuraminidase subtypes (N1, N3, and N4) were not found for prolonged periods during the study; when they were found, they primarily infected juveniles at moderate levels. Whilst wild ducks appear to perpetuate some influenza A viruses, they apparently do not act as a reservoir for all such viruses.
Url:
PubMed: 8381747
PubMed Central: 2271956
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PMC:2271956Le document en format XML
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<author><name sortKey="Sharp, G B" sort="Sharp, G B" uniqKey="Sharp G" first="G. B." last="Sharp">G. B. Sharp</name>
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<author><name sortKey="Kawaoka, Y" sort="Kawaoka, Y" uniqKey="Kawaoka Y" first="Y." last="Kawaoka">Yoshihiro Kawaoka</name>
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<placeName><settlement type="city">Madison (Wisconsin)</settlement>
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<orgName type="university" n="3">Université du Wisconsin à Madison</orgName>
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<author><name sortKey="Wright, S M" sort="Wright, S M" uniqKey="Wright S" first="S. M." last="Wright">S. M. Wright</name>
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<author><name sortKey="Turner, B" sort="Turner, B" uniqKey="Turner B" first="B." last="Turner">B. Turner</name>
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<author><name sortKey="Hinshaw, V" sort="Hinshaw, V" uniqKey="Hinshaw V" first="V." last="Hinshaw">V. Hinshaw</name>
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<series><title level="j">Epidemiology and Infection</title>
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<front><div type="abstract" xml:lang="en"><p>Analysis of cloacal samples collected from 12,321 wild ducks in Alberta, Canada, from 1976 to 1990 showed influenza A infections to be seasonal, with prevalences increasing as the population became increasingly more dense. Viruses with 3 haemagglutinin (H3, H4, and H6) and 3 neuraminidase subtypes (N2, N6, and N8) were found consistently to infect both adult and juvenile ducks each year, indicating that wild ducks may be a reservoir for these viruses. In contrast, viruses with 7 haemagglutinin (H2, H5, H7, H8, H9, H11, and H12) and 3 neuraminidase subtypes (N1, N3, and N4) were not found for prolonged periods during the study; when they were found, they primarily infected juveniles at moderate levels. Whilst wild ducks appear to perpetuate some influenza A viruses, they apparently do not act as a reservoir for all such 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>
<front><journal-meta><journal-id journal-id-type="nlm-ta">Epidemiol Infect</journal-id>
<journal-id journal-id-type="pmc">epidinfect</journal-id>
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<article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject>
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<title-group><article-title>Wild ducks are the reservoir for only a limited number of influenza A subtypes.</article-title>
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<contrib-group><contrib contrib-type="author"><name><surname>Sharp</surname>
<given-names>G. B.</given-names>
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<contrib contrib-type="author"><name><surname>Kawaoka</surname>
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<contrib contrib-type="author"><name><surname>Wright</surname>
<given-names>S. M.</given-names>
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<contrib contrib-type="author"><name><surname>Turner</surname>
<given-names>B.</given-names>
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<contrib contrib-type="author"><name><surname>Hinshaw</surname>
<given-names>V.</given-names>
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<contrib contrib-type="author"><name><surname>Webster</surname>
<given-names>R. G.</given-names>
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<aff>Department of Biostatistics and Epidemiology, University of Tennessee, Memphis 38163.</aff>
<pub-date pub-type="ppub"><month>2</month>
<year>1993</year>
</pub-date>
<volume>110</volume>
<issue>1</issue>
<fpage>161</fpage>
<lpage>176</lpage>
<abstract><p>Analysis of cloacal samples collected from 12,321 wild ducks in Alberta, Canada, from 1976 to 1990 showed influenza A infections to be seasonal, with prevalences increasing as the population became increasingly more dense. Viruses with 3 haemagglutinin (H3, H4, and H6) and 3 neuraminidase subtypes (N2, N6, and N8) were found consistently to infect both adult and juvenile ducks each year, indicating that wild ducks may be a reservoir for these viruses. In contrast, viruses with 7 haemagglutinin (H2, H5, H7, H8, H9, H11, and H12) and 3 neuraminidase subtypes (N1, N3, and N4) were not found for prolonged periods during the study; when they were found, they primarily infected juveniles at moderate levels. Whilst wild ducks appear to perpetuate some influenza A viruses, they apparently do not act as a reservoir for all such viruses.</p>
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<affiliations><list><country><li>États-Unis</li>
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<region><li>Wisconsin</li>
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<settlement><li>Madison (Wisconsin)</li>
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<name sortKey="Webster, R G" sort="Webster, R G" uniqKey="Webster R" first="R. G." last="Webster">R. G. Webster</name>
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<country name="États-Unis"><region name="Wisconsin"><name sortKey="Kawaoka, Y" sort="Kawaoka, Y" uniqKey="Kawaoka Y" first="Y." last="Kawaoka">Yoshihiro Kawaoka</name>
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