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Distribution of influenza virus types by age using case-based global surveillance data from twenty-nine countries, 1999-2014

2018-06-08Journal article Open access
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dc.contributor.authorCaini, Saverio
dc.contributor.authorSpreeuwenberg, Peter
dc.contributor.authorKusznierz, Gabriela F.
dc.contributor.authorRudi, Juan Manuel
dc.contributor.authorOwen, Rhonda
dc.contributor.authorPennington, Kate
dc.contributor.authorWangchuk, Sonam
dc.contributor.authorGyeltshen, Sonam
dc.contributor.authorFerreira de Almeida, Walquiria Aparecida
dc.contributor.authorPessanha Henriques, Cláudio Maierovitch
dc.contributor.authorNjouom, Richard
dc.contributor.authorVernet, Marie-Astrid
dc.contributor.authorFasce, Rodrigo A.
dc.contributor.authorAndrade, Winston
dc.contributor.authorYu, Hongjie
dc.contributor.authorFeng, Luzhao
dc.contributor.authorYang, Juan
dc.contributor.authorPeng, Zhibin
dc.contributor.authorLara, Jenny
dc.contributor.authorBruno, Alfredo
dc.contributor.authorde Mora, Doménica
dc.contributor.authorde Lozano, Celina
dc.contributor.authorZambon, Maria
dc.contributor.authorPebody, Richard
dc.contributor.authorCastillo, Leticia
dc.contributor.authorClara, Alexey W.
dc.contributor.authorMatute, Maria Luisa
dc.contributor.authorKosasih, Herman
dc.contributor.authorNurhayati, null
dc.contributor.authorPuzelli, Simona
dc.contributor.authorRizzo, Caterina
dc.contributor.authorKadjo, Herve A
dc.contributor.authorDaouda, Coulibaly
dc.contributor.authorKiyanbekova, Lyazzat
dc.contributor.authorOspanova, Akerke
dc.contributor.authorMott, Joshua A.
dc.contributor.authorEmukule, Gideon O.
dc.contributor.authorHeraud, Jean-Michel
dc.contributor.authorRazanajatovo, Norosoa Harline
dc.contributor.authorBarakat, Amal
dc.contributor.authorEl Falaki, Fatima
dc.contributor.authorHuang, Sue Q.
dc.contributor.authorLopez, Liza
dc.contributor.authorBalmaseda, Angel
dc.contributor.authorMoreno, Brechla
dc.contributor.authorRodrigues, Ana Paula
dc.contributor.authorGuiomar, Raquel
dc.contributor.authorAng, Li Wei
dc.contributor.authorLee, Vernon Jian Ming
dc.contributor.authorVenter, Marietjie
dc.contributor.authorCohen, Cheryl
dc.contributor.authorBadur, Selim
dc.contributor.authorCiblak, Meral A.
dc.contributor.authorMironenko, Alla
dc.contributor.authorHolubka, Olha
dc.contributor.authorBresee, Joseph
dc.contributor.authorBrammer, Lynnette
dc.contributor.authorHoang, Phuong Vu Mai
dc.contributor.authorLe, Mai Thi Quynh
dc.contributor.authorFleming, Douglas
dc.contributor.authorSéblain, Clotilde El-Guerche
dc.contributor.authorSchellevis, François
dc.contributor.authorPaget, John
dc.contributor.authorGlobal Influenza B Study group
dc.date.accessioned2019-03-20T17:14:45Z
dc.date.available2019-03-20T17:14:45Z
dc.date.issued2018-06-08
dc.descriptionThe Global Influenza B Study group also includes the following members: Binay Thapa 4 , Sangay Zangmo 4 , Guy Vernet 6 , Patricia Bustos 7 , Patricio Loyola 7 , Joanna Ellis 12, Antonino Bella 19, Maria Rita Castrucci 18, Gulzhan Muratbayeva 45, Julia Guillebaud 26, Laurence Randrianasolo 46, Ausenda Machado 47, Pedro Pechirra 32, Jeffery Cutter 34, Raymond Tzer Pin Lin 34. 45 Centers for Disease Control and Prevention, Central Asia Regional Office, Almaty, Kazakhstan 46 Epidemiology Unit, Institut Pasteur of Madagascar, Antananarivo, Madagascar 47 National Institute of Health Doutor Ricardo Jorge, Lisbon, Portugal.pt_PT
dc.descriptionFree PMC Article: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5994061/pt_PT
dc.description.abstractBackground: Influenza disease burden varies by age and this has important public health implications. We compared the proportional distribution of different influenza virus types within age strata using surveillance data from twenty-nine countries during 1999-2014 (N=358,796 influenza cases). Methods: For each virus, we calculated a Relative Illness Ratio (defined as the ratio of the percentage of cases in an age group to the percentage of the country population in the same age group) for young children (0-4 years), older children (5-17 years), young adults (18-39 years), older adults (40-64 years), and the elderly (65+ years). We used random-effects meta-analysis models to obtain summary relative illness ratios (sRIRs), and conducted meta-regression and sub-group analyses to explore causes of between-estimates heterogeneity. Results: The influenza virus with highest sRIR was A(H1N1) for young children, B for older children, A(H1N1)pdm2009 for adults, and (A(H3N2) for the elderly. As expected, considering the diverse nature of the national surveillance datasets included in our analysis, between-estimates heterogeneity was high (I2>90%) for most sRIRs. The variations of countries’ geographic, demographic and economic characteristics and the proportion of outpatients among reported influenza cases explained only part of the heterogeneity, suggesting that multiple factors were at play. Conclusions: These results highlight the importance of presenting burden of disease estimates by age group and virus (sub)type.pt_PT
dc.description.sponsorshipThe Global Influenza B Study is funded by an unrestricted research grant from Sanofi Pasteur. The study sponsor had no role in study design, data collection and analysis, and had no access to the data. The study sponsor was not involved in the writing of the paper (including the main conclusion of the study) nor in the decision to submit the paper for publication.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationBMC Infect Dis. 2018 Jun 8;18(1):269. doi: 10.1186/s12879-018-3181-ypt_PT
dc.identifier.doi10.1186/s12879-018-3181-ypt_PT
dc.identifier.issn1471-2334
dc.identifier.urihttp://hdl.handle.net/10400.18/6252
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherBMC (part of Springer Nature)pt_PT
dc.relation.publisherversionhttps://bmcinfectdis.biomedcentral.com/articles/10.1186/s12879-018-3181-ypt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectInfluenzapt_PT
dc.subjectAge Distributionpt_PT
dc.subjectInfluenza A Viruspt_PT
dc.subjectH3N2 Subtypept_PT
dc.subjectInfluenza A Viruspt_PT
dc.subjectH1N1 Subtypept_PT
dc.subjectInfluenza B Viruspt_PT
dc.subjectMeta-analysispt_PT
dc.subjectEstados de Saúde e de Doençapt_PT
dc.titleDistribution of influenza virus types by age using case-based global surveillance data from twenty-nine countries, 1999-2014pt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage279pt_PT
oaire.citation.issue1pt_PT
oaire.citation.startPage269pt_PT
oaire.citation.titleBMC Infectious Diseasespt_PT
oaire.citation.volume18pt_PT
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT

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