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Temporal Patterns of Influenza A and B in Tropical and Temperate Countries: What Are the Lessons for Influenza Vaccination?

2016-03-31Journal article Open access
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dc.contributor.authorCaini, S.
dc.contributor.authorAndrade, W.
dc.contributor.authorBadur, S.
dc.contributor.authorBalmaseda, A.
dc.contributor.authorBarakat, A.
dc.contributor.authorBella, A.
dc.contributor.authorBimohuen, A.
dc.contributor.authorBrammer, L.
dc.contributor.authorBresee, J.
dc.contributor.authorBruno, A.
dc.contributor.authorCastillo, L.
dc.contributor.authorCiblak, M.A.
dc.contributor.authorClara, A.W.
dc.contributor.authorCohen, C.
dc.contributor.authorDaouda, C.
dc.contributor.authorde Lozano, C.
dc.contributor.authorDe Mora, D.
dc.contributor.authorDorji, K.
dc.contributor.authorEmukule, G.O.
dc.contributor.authorFasce, R.A.
dc.contributor.authorFeng, L.
dc.contributor.authorFerreira de Almeida, W.A.
dc.contributor.authorGuiomar, R.
dc.contributor.authorHeraud, J.M.
dc.contributor.authorHolubka, O.
dc.contributor.authorHuang, Q.S.
dc.contributor.authorKadjo, H.A.
dc.contributor.authorKiyanbekova, L.
dc.contributor.authorKosasih, H.
dc.contributor.authorKusznierz, G.
dc.contributor.authorLee, V.
dc.contributor.authorLara, J.
dc.contributor.authorLi, M.
dc.contributor.authorLopez, L.
dc.contributor.authorMai, H.P.
dc.contributor.authorPessanha, H.C.
dc.contributor.authorMatute, M.L.
dc.contributor.authorMironenko, A.
dc.contributor.authorMoreno, B.
dc.contributor.authorMott, J.A.
dc.contributor.authorNjouom, R.
dc.contributor.authorNurhayati
dc.contributor.authorOspanova, A.
dc.contributor.authorOwen, R.
dc.contributor.authorPebody, R.
dc.contributor.authorPennington, K.
dc.contributor.authorPuzelli, S.
dc.contributor.authorQuynh, Le M.T.
dc.contributor.authorRazanajatovo, N.H.
dc.contributor.authorRodrigues, A.
dc.contributor.authorRudi, J.M.
dc.contributor.authorVenter, M.
dc.contributor.authorVernet, M.A.
dc.contributor.authorWei, A.L.
dc.contributor.authorWangchuk, S.
dc.contributor.authorYang, J.
dc.contributor.authorYu, H.
dc.contributor.authorZambon, M.
dc.contributor.authorSchellevis, F.
dc.contributor.authorPaget, J.
dc.contributor.authorGlobal Influenza B Study
dc.date.accessioned2017-02-17T15:27:31Z
dc.date.available2017-02-17T15:27:31Z
dc.date.issued2016-03-31
dc.descriptionErratum in - Correction: Temporal Patterns of Influenza A and B in Tropical and Temperate Countries: What Are the Lessons for Influenza Vaccination? PLoS One. 2016 May 2;11(5):e0155089. doi: 10.1371/journal.pone.0155089.pt_PT
dc.description.abstractIntroduction: Determining the optimal time to vaccinate is important for influenza vaccination programmes. Here, we assessed the temporal characteristics of influenza epidemics in the Northern and Southern hemispheres and in the tropics, and discuss their implications for vaccination programmes. Methods: This was a retrospective analysis of surveillance data between 2000 and 2014 from the Global Influenza B Study database. The seasonal peak of influenza was defined as the week with the most reported cases (overall, A, and B) in the season. The duration of seasonal activity was assessed using the maximum proportion of influenza cases during three consecutive months and the minimum number of months with 80% of cases in the season. We also assessed whether co-circulation of A and B virus types affected the duration of influenza epidemics. Results: 212 influenza seasons and 571,907 cases were included from 30 countries. In tropical countries, the seasonal influenza activity lasted longer and the peaks of influenza A and B coincided less frequently than in temperate countries. Temporal characteristics of influenza epidemics were heterogeneous in the tropics, with distinct seasonal epidemics observed only in some countries. Seasons with co-circulation of influenza A and B were longer than influenza A seasons, especially in the tropics. Discussion: Our findings show that influenza seasonality is less well defined in the tropics than in temperate regions. This has important implications for vaccination programmes in these countries. High-quality influenza surveillance systems are needed in the tropics to enable decisions about when to vaccinate.pt_PT
dc.description.sponsorshipThe Global Influenza B Study is supported by an unrestricted research grant from Sanofi Pasteur.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationPLoS One. 2016 Mar 31;11(3):e0152310. doi: 10.1371/journal.pone.0152310. eCollection 2016.pt_PT
dc.identifier.doi10.1371/journal.pone.0152310pt_PT
dc.identifier.issn1932-6203
dc.identifier.urihttp://hdl.handle.net/10400.18/4270
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherPublic Library of Sciencept_PT
dc.relation.publisherversionhttp://journals.plos.org/plosone/article?id=10.1371/journal.pone.0152310pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/pt_PT
dc.subjectEstados de Saúdept_PT
dc.subjectGripept_PT
dc.subjectInfecções Respiratóriaspt_PT
dc.subjectInfluenzapt_PT
dc.subjectInfluenza Vaccinpt_PT
dc.subjectInfluenza Vaccinationpt_PT
dc.titleTemporal Patterns of Influenza A and B in Tropical and Temperate Countries: What Are the Lessons for Influenza Vaccination?pt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.startPagee0152310pt_PT
oaire.citation.titlePLoS ONEpt_PT
oaire.citation.volume11(3)pt_PT
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT

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