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Bacterial Sinusitis and Otitis Media following Influenza Virus Infection in Ferrets

Identifieur interne : 000C11 ( Pmc/Checkpoint ); précédent : 000C10; suivant : 000C12

Bacterial Sinusitis and Otitis Media following Influenza Virus Infection in Ferrets

Auteurs : Ville T. Peltola ; Kelli L. Boyd ; Julie L. Mcauley ; Jerold E. Rehg ; Jonathan A. Mccullers

Source :

RBID : PMC:1459735

Abstract

Streptococcus pneumoniae is the leading cause of otitis media, sinusitis, and pneumonia. Many of these infections result from antecedent influenza virus infections. In this study we sought to determine whether the frequency and character of secondary pneumococcal infections differed depending on the strain of influenza virus that preceded bacterial challenge. In young ferrets infected with influenza virus and then challenged with pneumococcus, influenza viruses of any subtype increased bacterial colonization of the nasopharynx. Nine out of 10 ferrets infected with H3N2 subtype influenza A viruses developed either sinusitis or otitis media, while only 1 out of 11 ferrets infected with either an H1N1 influenza A virus or an influenza B virus did so. These data may partially explain why bacterial complication rates are higher during seasons when H3N2 viruses predominate. This animal model will be useful for further study of the mechanisms that underlie viral-bacterial synergism.


Url:
DOI: 10.1128/IAI.74.5.2562-2567.2006
PubMed: 16622191
PubMed Central: 1459735


Affiliations:


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PMC:1459735

Le document en format XML

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<title level="j">Infection and Immunity</title>
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<italic>Streptococcus pneumoniae</italic>
is the leading cause of otitis media, sinusitis, and pneumonia. Many of these infections result from antecedent influenza virus infections. In this study we sought to determine whether the frequency and character of secondary pneumococcal infections differed depending on the strain of influenza virus that preceded bacterial challenge. In young ferrets infected with influenza virus and then challenged with pneumococcus, influenza viruses of any subtype increased bacterial colonization of the nasopharynx. Nine out of 10 ferrets infected with H3N2 subtype influenza A viruses developed either sinusitis or otitis media, while only 1 out of 11 ferrets infected with either an H1N1 influenza A virus or an influenza B virus did so. These data may partially explain why bacterial complication rates are higher during seasons when H3N2 viruses predominate. This animal model will be useful for further study of the mechanisms that underlie viral-bacterial synergism.</p>
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<journal-id journal-id-type="nlm-ta">Infect Immun</journal-id>
<journal-id journal-id-type="publisher-id">iai</journal-id>
<journal-title>Infection and Immunity</journal-title>
<issn pub-type="ppub">0019-9567</issn>
<issn pub-type="epub">1098-5522</issn>
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<article-id pub-id-type="pmc">1459735</article-id>
<article-id pub-id-type="publisher-id">1344-05</article-id>
<article-id pub-id-type="doi">10.1128/IAI.74.5.2562-2567.2006</article-id>
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<subject>Bacterial Infections</subject>
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<title-group>
<article-title>Bacterial Sinusitis and Otitis Media following Influenza Virus Infection in Ferrets </article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname>Peltola</surname>
<given-names>Ville T.</given-names>
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<contrib contrib-type="author">
<name>
<surname>Boyd</surname>
<given-names>Kelli L.</given-names>
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<xref ref-type="aff" rid="aff1">2</xref>
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<surname>McAuley</surname>
<given-names>Julie L.</given-names>
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<xref ref-type="aff" rid="aff1">1</xref>
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<surname>Rehg</surname>
<given-names>Jerold E.</given-names>
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<surname>McCullers</surname>
<given-names>Jonathan A.</given-names>
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<xref ref-type="corresp" rid="cor1">*</xref>
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<aff id="aff1">Departments of Infectious Diseases,
<label>1</label>
Pathology,
<label>3</label>
Animal Resources Center, St. Jude Children's Research Hospital, Memphis, Tennessee
<label>2</label>
</aff>
<author-notes>
<fn id="cor1">
<label>*</label>
<p>Corresponding author. Mailing address: Department of Infectious Diseases, St. Jude Children's Research Hospital, 332 N. Lauderdale St., Memphis, TN 38105-2794. Phone: (901) 495-3486. Fax: (901) 495-3099. E-mail:
<email>jon.mccullers@stjude.org</email>
.</p>
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<pub-date pub-type="ppub">
<month>5</month>
<year>2006</year>
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<volume>74</volume>
<issue>5</issue>
<fpage>2562</fpage>
<lpage>2567</lpage>
<history>
<date date-type="received">
<day>17</day>
<month>8</month>
<year>2005</year>
</date>
<date date-type="rev-recd">
<day>27</day>
<month>9</month>
<year>2005</year>
</date>
<date date-type="accepted">
<day>1</day>
<month>2</month>
<year>2006</year>
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<copyright-statement>Copyright © 2006, American Society for Microbiology</copyright-statement>
<copyright-year>2006</copyright-year>
<abstract>
<p>
<italic>Streptococcus pneumoniae</italic>
is the leading cause of otitis media, sinusitis, and pneumonia. Many of these infections result from antecedent influenza virus infections. In this study we sought to determine whether the frequency and character of secondary pneumococcal infections differed depending on the strain of influenza virus that preceded bacterial challenge. In young ferrets infected with influenza virus and then challenged with pneumococcus, influenza viruses of any subtype increased bacterial colonization of the nasopharynx. Nine out of 10 ferrets infected with H3N2 subtype influenza A viruses developed either sinusitis or otitis media, while only 1 out of 11 ferrets infected with either an H1N1 influenza A virus or an influenza B virus did so. These data may partially explain why bacterial complication rates are higher during seasons when H3N2 viruses predominate. This animal model will be useful for further study of the mechanisms that underlie viral-bacterial synergism.</p>
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<italic>Editor:</italic>
J. N. Weiser</p>
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<name sortKey="Boyd, Kelli L" sort="Boyd, Kelli L" uniqKey="Boyd K" first="Kelli L." last="Boyd">Kelli L. Boyd</name>
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