Cumulative Risk of Guillain–Barré Syndrome Among Vaccinated and Unvaccinated Populations During the 2009 H1N1 Influenza Pandemic
Identifieur interne : 000643 ( Pmc/Curation ); précédent : 000642; suivant : 000644Cumulative Risk of Guillain–Barré Syndrome Among Vaccinated and Unvaccinated Populations During the 2009 H1N1 Influenza Pandemic
Auteurs : Claudia Vellozzi ; Shahed Iqbal ; Brock Stewart ; Jerome Tokars ; Frank DestefanoSource :
- American Journal of Public Health [ 0090-0036 ] ; 2014.
Abstract
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DOI: 10.2105/AJPH.2013.301651
PubMed: 24524517
PubMed Central: 4025712
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Cumulative Risk of Guillain–Barré Syndrome Among Vaccinated and Unvaccinated Populations During the 2009 H1N1 Influenza Pandemic</title><author><name sortKey="Vellozzi, Claudia" sort="Vellozzi, Claudia" uniqKey="Vellozzi C" first="Claudia" last="Vellozzi">Claudia Vellozzi</name></author><author><name sortKey="Iqbal, Shahed" sort="Iqbal, Shahed" uniqKey="Iqbal S" first="Shahed" last="Iqbal">Shahed Iqbal</name></author><author><name sortKey="Stewart, Brock" sort="Stewart, Brock" uniqKey="Stewart B" first="Brock" last="Stewart">Brock Stewart</name></author><author><name sortKey="Tokars, Jerome" sort="Tokars, Jerome" uniqKey="Tokars J" first="Jerome" last="Tokars">Jerome Tokars</name></author><author><name sortKey="Destefano, Frank" sort="Destefano, Frank" uniqKey="Destefano F" first="Frank" last="Destefano">Frank Destefano</name></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">24524517</idno><idno type="pmc">4025712</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4025712</idno><idno type="RBID">PMC:4025712</idno><idno type="doi">10.2105/AJPH.2013.301651</idno><date when="2014">2014</date><idno type="wicri:Area/Pmc/Corpus">000643</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">000643</idno><idno type="wicri:Area/Pmc/Curation">000643</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Curation">000643</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Cumulative Risk of Guillain–Barré Syndrome Among Vaccinated and Unvaccinated Populations During the 2009 H1N1 Influenza Pandemic</title><author><name sortKey="Vellozzi, Claudia" sort="Vellozzi, Claudia" uniqKey="Vellozzi C" first="Claudia" last="Vellozzi">Claudia Vellozzi</name></author><author><name sortKey="Iqbal, Shahed" sort="Iqbal, Shahed" uniqKey="Iqbal S" first="Shahed" last="Iqbal">Shahed Iqbal</name></author><author><name sortKey="Stewart, Brock" sort="Stewart, Brock" uniqKey="Stewart B" first="Brock" last="Stewart">Brock Stewart</name></author><author><name sortKey="Tokars, Jerome" sort="Tokars, Jerome" uniqKey="Tokars J" first="Jerome" last="Tokars">Jerome Tokars</name></author><author><name sortKey="Destefano, Frank" sort="Destefano, Frank" uniqKey="Destefano F" first="Frank" last="Destefano">Frank Destefano</name></author></analytic><series><title level="j">American Journal of Public Health</title><idno type="ISSN">0090-0036</idno><idno type="eISSN">1541-0048</idno><imprint><date when="2014">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p><italic>Objectives.</italic> We sought to assess risk of Guillain–Barré syndrome (GBS) among influenza A (H1N1) 2009 monovalent (pH1N1) vaccinated and unvaccinated populations at the end of the 2009 pandemic.</p><p><italic>Methods.</italic> We applied GBS surveillance data from a US population catchment area of 45 million from October 15, 2009, through May 31, 2010. GBS cases meeting Brighton Collaboration criteria were included. We calculated the incidence density ratio (IDR) among pH1N1 vaccinated and unvaccinated populations. We also estimated cumulative GBS risk using life table analysis. Additionally, we used vaccine coverage data and census population estimates to calculate denominators.</p><p><italic>Results.</italic> There were 392 GBS cases; 64 (16%) occurred after pH1N1vaccination. The vaccinated population had lower average risk (IDR = 0.83, 95% confidence interval = 0.63, 1.08) and lower cumulative risk (6.6 vs 9.2 cases per million persons, <italic>P</italic> = .012) of GBS.</p><p><italic>Conclusions.</italic> Our findings suggest that at the end of the influenza season cumulative GBS risk was less among the pH1N1vaccinated than the unvaccinated population, suggesting the benefit of vaccination as it relates to GBS. The observed potential protective effect on GBS attributed to vaccination warrants further study.</p></div></front></TEI><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">Am J Public Health</journal-id><journal-id journal-id-type="iso-abbrev">Am J Public Health</journal-id><journal-id journal-id-type="publisher-id">ajph</journal-id><journal-title-group><journal-title>American Journal of Public Health</journal-title></journal-title-group><issn pub-type="ppub">0090-0036</issn><issn pub-type="epub">1541-0048</issn><publisher><publisher-name>American Public Health Association</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">24524517</article-id><article-id pub-id-type="pmc">4025712</article-id><article-id pub-id-type="publisher-id">301651</article-id><article-id pub-id-type="doi">10.2105/AJPH.2013.301651</article-id><article-categories><subj-group subj-group-type="hwp-journal-coll"><subject>Epidemiology</subject><subject>Immunization/Vaccines</subject><subject>Infectic Health Practice</subject></subj-group><subj-group subj-group-type="heading"><subject>Research and Practice</subject></subj-group></article-categories><title-group><article-title>Cumulative Risk of Guillain–Barré Syndrome Among Vaccinated and Unvaccinated Populations During the 2009 H1N1 Influenza Pandemic</article-title></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name><surname>Vellozzi</surname><given-names>Claudia</given-names></name><degrees>MD, MPH</degrees></contrib><contrib contrib-type="author"><name><surname>Iqbal</surname><given-names>Shahed</given-names></name><degrees>PhD, MBBS, MPH</degrees></contrib><contrib contrib-type="author"><name><surname>Stewart</surname><given-names>Brock</given-names></name><degrees>PhD</degrees></contrib><contrib contrib-type="author"><name><surname>Tokars</surname><given-names>Jerome</given-names></name><degrees>MD, MPH</degrees></contrib><contrib contrib-type="author"><name><surname>DeStefano</surname><given-names>Frank</given-names></name><degrees>MD, MPH</degrees></contrib><aff>Claudia Vellozzi, Shahed Iqbal, Brock Stewart, and Frank DeStefano are with the Immunization Safety Office, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA. Jerome Tokars is with the Influenza Division, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention.</aff></contrib-group><author-notes><corresp>Correspondence should be sent to Claudia Vellozzi, MD, MPH, Immunization Safety Office, Centers for Disease Control and Prevention, 1600 Clifton Rd NE; MS d-26, Atlanta, GA 30333 (email: <email>Bno1@cdc.gov</email>). Reprints can be ordered at <ext-link ext-link-type="uri" xlink:href="http://www.ajph.org">http://www.ajph.org</ext-link> by clicking the “Reprints” link.</corresp><fn><p><bold>Note.</bold> The findings and conclusions are those of the author(s) and do not necessarily represent the official position of the Centers for Disease Control and Prevention.</p></fn><fn><p><bold>Contributors</bold></p><p>Claudia Vellozzi contributed to the conceptualization, design, interpretation of data, and drafting and revisions of the article. Shahed Iqbal contributed to the design, analysis, interpretation of data, and drafting of the article. Brock Stewart contributed to the analysis and revisions of the article. Jerome Tokars contributed to the interpretation of data and revisions of the article. Frank DeStefano contributed to the conceptualization, design, interpretation of data, and revisions of the article. All authors approved the final version to be published.</p></fn><fn><p>Peer Reviewed</p></fn></author-notes><pub-date pub-type="ppub"><month>4</month><year>2014</year></pub-date><pub-date pub-type="epub"><month>4</month><year>2014</year></pub-date><volume>104</volume><issue>4</issue><fpage>696</fpage><lpage>701</lpage><history><date date-type="accepted"><day>4</day><month>9</month><year>2013</year></date></history><permissions><copyright-statement>© American Public Health Association 2014</copyright-statement><copyright-year>2014</copyright-year></permissions><self-uri content-type="pdf" xlink:type="simple" xlink:href="AJPH.2013.301651.pdf"></self-uri><abstract><p><italic>Objectives.</italic> We sought to assess risk of Guillain–Barré syndrome (GBS) among influenza A (H1N1) 2009 monovalent (pH1N1) vaccinated and unvaccinated populations at the end of the 2009 pandemic.</p><p><italic>Methods.</italic> We applied GBS surveillance data from a US population catchment area of 45 million from October 15, 2009, through May 31, 2010. GBS cases meeting Brighton Collaboration criteria were included. We calculated the incidence density ratio (IDR) among pH1N1 vaccinated and unvaccinated populations. We also estimated cumulative GBS risk using life table analysis. Additionally, we used vaccine coverage data and census population estimates to calculate denominators.</p><p><italic>Results.</italic> There were 392 GBS cases; 64 (16%) occurred after pH1N1vaccination. The vaccinated population had lower average risk (IDR = 0.83, 95% confidence interval = 0.63, 1.08) and lower cumulative risk (6.6 vs 9.2 cases per million persons, <italic>P</italic> = .012) of GBS.</p><p><italic>Conclusions.</italic> Our findings suggest that at the end of the influenza season cumulative GBS risk was less among the pH1N1vaccinated than the unvaccinated population, suggesting the benefit of vaccination as it relates to GBS. The observed potential protective effect on GBS attributed to vaccination warrants further study.</p></abstract><counts><page-count count="6"></page-count></counts></article-meta></front></pmc></record>Pour manipuler ce document sous Unix (Dilib)
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