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Effect of Repeated Vaccination With the Same Vaccine Component Against 2009 Pandemic Influenza A(H1N1) Virus.

Identifieur interne : 000101 ( Main/Exploration ); précédent : 000100; suivant : 000102

Effect of Repeated Vaccination With the Same Vaccine Component Against 2009 Pandemic Influenza A(H1N1) Virus.

Auteurs : Iván Martínez-Baz [Espagne] ; Itziar Casado [Espagne] ; Ana Navascués [Espagne] ; Jorge Díaz-González [Espagne] ; Aitziber Aguinaga [Espagne] ; Laura Barrado [Espagne] ; Josu Delfrade [Espagne] ; Carmen Ezpeleta [Espagne] ; Jesús Castilla [Espagne]

Source :

RBID : pubmed:28453845

Descripteurs français

English descriptors

Abstract

Background

The 2009 pandemic influenza A(H1N1) (A[H1N1]pdm09) vaccine component has remained unchanged from 2009. We estimate the effectiveness of current and prior inactivated influenza A(H1N1)pdm09 vaccination from influenza seasons 2010-2011 to 2015-2016.

Methods

Patients attended with influenza-like illness were tested for influenza. Four periods with continued A(H1N1)pdm09 circulation were included in a test-negative design.

Results

We enrolled 1278 cases and 2343 controls. As compared to individuals never vaccinated against influenza A(H1N1)pdm09, the highest effectiveness (66%; 95% confidence interval, 49%-78%) was observed in those vaccinated in the current season who had received 1-2 prior doses. The effectiveness was not statistically lower in individuals vaccinated in the current season only (52%) or in those without current vaccination and >2 prior doses (47%). However, the protection was lower in individuals vaccinated in the current season after >2 prior doses (38%; P = .009) or those currently unvaccinated with 1-2 prior doses (10%; P < .001). Current-season vaccination improved the effect in individuals with 1-2 prior doses and did not modify significantly the risk of influenza in individuals with >2 prior doses.

Conclusion

Current vaccination or several prior doses were needed for high protection. Despite the decreasing effect of repeated vaccination, current-season vaccination was not inferior to no current-season vaccination.


DOI: 10.1093/infdis/jix055
PubMed: 28453845


Affiliations:


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Le document en format XML

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<country xml:lang="fr">Espagne</country>
<wicri:regionArea>Centro de Investigación Biomédica en Red de Epidemiología y Salud Pública (CIBERESP), Madrid</wicri:regionArea>
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<term>Vaccins antigrippaux</term>
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<term>Grippe humaine</term>
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<term>Adolescent</term>
<term>Adult</term>
<term>Aged</term>
<term>Aged, 80 and over</term>
<term>Case-Control Studies</term>
<term>Child</term>
<term>Child, Preschool</term>
<term>Female</term>
<term>Humans</term>
<term>Influenza A Virus, H1N1 Subtype</term>
<term>Logistic Models</term>
<term>Male</term>
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<term>Vaccination</term>
<term>Young Adult</term>
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<term>Adolescent</term>
<term>Adulte</term>
<term>Adulte d'âge moyen</term>
<term>Enfant</term>
<term>Enfant d'âge préscolaire</term>
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<term>Femelle</term>
<term>Humains</term>
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<term>Sous-type H1N1 du virus de la grippe A</term>
<term>Sujet âgé</term>
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<front>
<div type="abstract" xml:lang="en">
<p>
<b>Background</b>
</p>
<p>The 2009 pandemic influenza A(H1N1) (A[H1N1]pdm09) vaccine component has remained unchanged from 2009. We estimate the effectiveness of current and prior inactivated influenza A(H1N1)pdm09 vaccination from influenza seasons 2010-2011 to 2015-2016.</p>
</div>
<div type="abstract" xml:lang="en">
<p>
<b>Methods</b>
</p>
<p>Patients attended with influenza-like illness were tested for influenza. Four periods with continued A(H1N1)pdm09 circulation were included in a test-negative design.</p>
</div>
<div type="abstract" xml:lang="en">
<p>
<b>Results</b>
</p>
<p>We enrolled 1278 cases and 2343 controls. As compared to individuals never vaccinated against influenza A(H1N1)pdm09, the highest effectiveness (66%; 95% confidence interval, 49%-78%) was observed in those vaccinated in the current season who had received 1-2 prior doses. The effectiveness was not statistically lower in individuals vaccinated in the current season only (52%) or in those without current vaccination and >2 prior doses (47%). However, the protection was lower in individuals vaccinated in the current season after >2 prior doses (38%; P = .009) or those currently unvaccinated with 1-2 prior doses (10%; P < .001). Current-season vaccination improved the effect in individuals with 1-2 prior doses and did not modify significantly the risk of influenza in individuals with >2 prior doses.</p>
</div>
<div type="abstract" xml:lang="en">
<p>
<b>Conclusion</b>
</p>
<p>Current vaccination or several prior doses were needed for high protection. Despite the decreasing effect of repeated vaccination, current-season vaccination was not inferior to no current-season vaccination.</p>
</div>
</front>
</TEI>
<pubmed>
<MedlineCitation Status="MEDLINE" Owner="NLM">
<PMID Version="1">28453845</PMID>
<DateCompleted>
<Year>2017</Year>
<Month>06</Month>
<Day>30</Day>
</DateCompleted>
<DateRevised>
<Year>2018</Year>
<Month>03</Month>
<Day>08</Day>
</DateRevised>
<Article PubModel="Print">
<Journal>
<ISSN IssnType="Electronic">1537-6613</ISSN>
<JournalIssue CitedMedium="Internet">
<Volume>215</Volume>
<Issue>6</Issue>
<PubDate>
<Year>2017</Year>
<Month>03</Month>
<Day>15</Day>
</PubDate>
</JournalIssue>
<Title>The Journal of infectious diseases</Title>
<ISOAbbreviation>J. Infect. Dis.</ISOAbbreviation>
</Journal>
<ArticleTitle>Effect of Repeated Vaccination With the Same Vaccine Component Against 2009 Pandemic Influenza A(H1N1) Virus.</ArticleTitle>
<Pagination>
<MedlinePgn>847-855</MedlinePgn>
</Pagination>
<ELocationID EIdType="doi" ValidYN="Y">10.1093/infdis/jix055</ELocationID>
<Abstract>
<AbstractText Label="Background">The 2009 pandemic influenza A(H1N1) (A[H1N1]pdm09) vaccine component has remained unchanged from 2009. We estimate the effectiveness of current and prior inactivated influenza A(H1N1)pdm09 vaccination from influenza seasons 2010-2011 to 2015-2016.</AbstractText>
<AbstractText Label="Methods">Patients attended with influenza-like illness were tested for influenza. Four periods with continued A(H1N1)pdm09 circulation were included in a test-negative design.</AbstractText>
<AbstractText Label="Results">We enrolled 1278 cases and 2343 controls. As compared to individuals never vaccinated against influenza A(H1N1)pdm09, the highest effectiveness (66%; 95% confidence interval, 49%-78%) was observed in those vaccinated in the current season who had received 1-2 prior doses. The effectiveness was not statistically lower in individuals vaccinated in the current season only (52%) or in those without current vaccination and >2 prior doses (47%). However, the protection was lower in individuals vaccinated in the current season after >2 prior doses (38%; P = .009) or those currently unvaccinated with 1-2 prior doses (10%; P < .001). Current-season vaccination improved the effect in individuals with 1-2 prior doses and did not modify significantly the risk of influenza in individuals with >2 prior doses.</AbstractText>
<AbstractText Label="Conclusion">Current vaccination or several prior doses were needed for high protection. Despite the decreasing effect of repeated vaccination, current-season vaccination was not inferior to no current-season vaccination.</AbstractText>
<CopyrightInformation>© The Author 2017. Published by Oxford University Press for the Infectious Diseases Society of America. All rights reserved. For permissions, e-mail: journals.permissions@oup.com.</CopyrightInformation>
</Abstract>
<AuthorList CompleteYN="Y">
<Author ValidYN="Y">
<LastName>Martínez-Baz</LastName>
<ForeName>Iván</ForeName>
<Initials>I</Initials>
<AffiliationInfo>
<Affiliation>Instituto de Salud Pública de Navarra, Instituto de Investigación Sanitaria de Navarra (IdiSNA), Pamplona, Spain.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Centro de Investigación Biomédica en Red de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Casado</LastName>
<ForeName>Itziar</ForeName>
<Initials>I</Initials>
<AffiliationInfo>
<Affiliation>Instituto de Salud Pública de Navarra, Instituto de Investigación Sanitaria de Navarra (IdiSNA), Pamplona, Spain.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Centro de Investigación Biomédica en Red de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Navascués</LastName>
<ForeName>Ana</ForeName>
<Initials>A</Initials>
<AffiliationInfo>
<Affiliation>Complejo Hospitalario de Navarra, IdiSNA, Pamplona, Spain.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Díaz-González</LastName>
<ForeName>Jorge</ForeName>
<Initials>J</Initials>
<AffiliationInfo>
<Affiliation>Instituto de Salud Pública de Navarra, Instituto de Investigación Sanitaria de Navarra (IdiSNA), Pamplona, Spain.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Aguinaga</LastName>
<ForeName>Aitziber</ForeName>
<Initials>A</Initials>
<AffiliationInfo>
<Affiliation>Complejo Hospitalario de Navarra, IdiSNA, Pamplona, Spain.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Barrado</LastName>
<ForeName>Laura</ForeName>
<Initials>L</Initials>
<AffiliationInfo>
<Affiliation>Hospital García Orcoyen, IdiSNA, Estella, Spain.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Delfrade</LastName>
<ForeName>Josu</ForeName>
<Initials>J</Initials>
<AffiliationInfo>
<Affiliation>Instituto de Salud Pública de Navarra, Instituto de Investigación Sanitaria de Navarra (IdiSNA), Pamplona, Spain.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Centro de Investigación Biomédica en Red de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Ezpeleta</LastName>
<ForeName>Carmen</ForeName>
<Initials>C</Initials>
<AffiliationInfo>
<Affiliation>Complejo Hospitalario de Navarra, IdiSNA, Pamplona, Spain.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Castilla</LastName>
<ForeName>Jesús</ForeName>
<Initials>J</Initials>
<AffiliationInfo>
<Affiliation>Instituto de Salud Pública de Navarra, Instituto de Investigación Sanitaria de Navarra (IdiSNA), Pamplona, Spain.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Centro de Investigación Biomédica en Red de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain.</Affiliation>
</AffiliationInfo>
</Author>
</AuthorList>
<Language>eng</Language>
<PublicationTypeList>
<PublicationType UI="D016428">Journal Article</PublicationType>
</PublicationTypeList>
</Article>
<MedlineJournalInfo>
<Country>United States</Country>
<MedlineTA>J Infect Dis</MedlineTA>
<NlmUniqueID>0413675</NlmUniqueID>
<ISSNLinking>0022-1899</ISSNLinking>
</MedlineJournalInfo>
<ChemicalList>
<Chemical>
<RegistryNumber>0</RegistryNumber>
<NameOfSubstance UI="D007252">Influenza Vaccines</NameOfSubstance>
</Chemical>
</ChemicalList>
<CitationSubset>AIM</CitationSubset>
<CitationSubset>IM</CitationSubset>
<CommentsCorrectionsList>
<CommentsCorrections RefType="CommentIn">
<RefSource>J Infect Dis. 2017 Mar 15;215(6):841-843</RefSource>
<PMID Version="1">28453852</PMID>
</CommentsCorrections>
</CommentsCorrectionsList>
<MeshHeadingList>
<MeshHeading>
<DescriptorName UI="D000293" MajorTopicYN="N">Adolescent</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D000328" MajorTopicYN="N">Adult</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D000368" MajorTopicYN="N">Aged</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D000369" MajorTopicYN="N">Aged, 80 and over</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D016022" MajorTopicYN="N">Case-Control Studies</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D002648" MajorTopicYN="N">Child</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D002675" MajorTopicYN="N">Child, Preschool</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D005260" MajorTopicYN="N">Female</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D006801" MajorTopicYN="N">Humans</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D053118" MajorTopicYN="N">Influenza A Virus, H1N1 Subtype</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D007252" MajorTopicYN="N">Influenza Vaccines</DescriptorName>
<QualifierName UI="Q000008" MajorTopicYN="Y">administration & dosage</QualifierName>
<QualifierName UI="Q000627" MajorTopicYN="Y">therapeutic use</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D007251" MajorTopicYN="N">Influenza, Human</DescriptorName>
<QualifierName UI="Q000453" MajorTopicYN="Y">epidemiology</QualifierName>
<QualifierName UI="Q000517" MajorTopicYN="Y">prevention & control</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D016015" MajorTopicYN="N">Logistic Models</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D008297" MajorTopicYN="N">Male</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D008875" MajorTopicYN="N">Middle Aged</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D013030" MajorTopicYN="N">Spain</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D014611" MajorTopicYN="N">Vaccination</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D055815" MajorTopicYN="N">Young Adult</DescriptorName>
</MeshHeading>
</MeshHeadingList>
<KeywordList Owner="NOTNLM">
<Keyword MajorTopicYN="Y">Influenza</Keyword>
<Keyword MajorTopicYN="Y">case control study</Keyword>
<Keyword MajorTopicYN="Y">influenza vaccine</Keyword>
<Keyword MajorTopicYN="Y">vaccine effectiveness</Keyword>
<Keyword MajorTopicYN="Y">A(H1N1)pdm09 virus</Keyword>
</KeywordList>
</MedlineCitation>
<PubmedData>
<History>
<PubMedPubDate PubStatus="received">
<Year>2016</Year>
<Month>11</Month>
<Day>10</Day>
</PubMedPubDate>
<PubMedPubDate PubStatus="accepted">
<Year>2017</Year>
<Month>01</Month>
<Day>24</Day>
</PubMedPubDate>
<PubMedPubDate PubStatus="entrez">
<Year>2017</Year>
<Month>4</Month>
<Day>29</Day>
<Hour>6</Hour>
<Minute>0</Minute>
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<PubMedPubDate PubStatus="pubmed">
<Year>2017</Year>
<Month>4</Month>
<Day>30</Day>
<Hour>6</Hour>
<Minute>0</Minute>
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<PubMedPubDate PubStatus="medline">
<Year>2017</Year>
<Month>7</Month>
<Day>1</Day>
<Hour>6</Hour>
<Minute>0</Minute>
</PubMedPubDate>
</History>
<PublicationStatus>ppublish</PublicationStatus>
<ArticleIdList>
<ArticleId IdType="pubmed">28453845</ArticleId>
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</pubmed>
<affiliations>
<list>
<country>
<li>Espagne</li>
</country>
<region>
<li>Communauté de Madrid</li>
</region>
<settlement>
<li>Madrid</li>
</settlement>
</list>
<tree>
<country name="Espagne">
<noRegion>
<name sortKey="Martinez Baz, Ivan" sort="Martinez Baz, Ivan" uniqKey="Martinez Baz I" first="Iván" last="Martínez-Baz">Iván Martínez-Baz</name>
</noRegion>
<name sortKey="Aguinaga, Aitziber" sort="Aguinaga, Aitziber" uniqKey="Aguinaga A" first="Aitziber" last="Aguinaga">Aitziber Aguinaga</name>
<name sortKey="Barrado, Laura" sort="Barrado, Laura" uniqKey="Barrado L" first="Laura" last="Barrado">Laura Barrado</name>
<name sortKey="Casado, Itziar" sort="Casado, Itziar" uniqKey="Casado I" first="Itziar" last="Casado">Itziar Casado</name>
<name sortKey="Casado, Itziar" sort="Casado, Itziar" uniqKey="Casado I" first="Itziar" last="Casado">Itziar Casado</name>
<name sortKey="Castilla, Jesus" sort="Castilla, Jesus" uniqKey="Castilla J" first="Jesús" last="Castilla">Jesús Castilla</name>
<name sortKey="Castilla, Jesus" sort="Castilla, Jesus" uniqKey="Castilla J" first="Jesús" last="Castilla">Jesús Castilla</name>
<name sortKey="Delfrade, Josu" sort="Delfrade, Josu" uniqKey="Delfrade J" first="Josu" last="Delfrade">Josu Delfrade</name>
<name sortKey="Delfrade, Josu" sort="Delfrade, Josu" uniqKey="Delfrade J" first="Josu" last="Delfrade">Josu Delfrade</name>
<name sortKey="Diaz Gonzalez, Jorge" sort="Diaz Gonzalez, Jorge" uniqKey="Diaz Gonzalez J" first="Jorge" last="Díaz-González">Jorge Díaz-González</name>
<name sortKey="Ezpeleta, Carmen" sort="Ezpeleta, Carmen" uniqKey="Ezpeleta C" first="Carmen" last="Ezpeleta">Carmen Ezpeleta</name>
<name sortKey="Martinez Baz, Ivan" sort="Martinez Baz, Ivan" uniqKey="Martinez Baz I" first="Iván" last="Martínez-Baz">Iván Martínez-Baz</name>
<name sortKey="Navascues, Ana" sort="Navascues, Ana" uniqKey="Navascues A" first="Ana" last="Navascués">Ana Navascués</name>
</country>
</tree>
</affiliations>
</record>

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