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Revision of clinical case definitions: influenza-like illness and severe acute respiratory infection

dc.contributor.authorFitzner, Julia
dc.contributor.authorQasmieh, Saba
dc.contributor.authorMounts, Anthony Wayne
dc.contributor.authorAlexander, Burmaa
dc.contributor.authorBesselaar, Terry
dc.contributor.authorBriand, Sylvie
dc.contributor.authorBrown, Caroline
dc.contributor.authorClark, Seth
dc.contributor.authorDueger, Erica
dc.contributor.authorGross, Diane
dc.contributor.authorHauge, Siri
dc.contributor.authorHirve, Siddhivinayak
dc.contributor.authorJorgensen, Pernille
dc.contributor.authorKatz, Mark A
dc.contributor.authorMafi, Ali
dc.contributor.authorMalik, Mamunur
dc.contributor.authorMcCarron, Margaret
dc.contributor.authorMeerhoff, Tamara
dc.contributor.authorMori, Yuichiro
dc.contributor.authorMott, Joshua
dc.contributor.authorOlivera, Maria Teresa da Costa
dc.contributor.authorOrtiz, Justin R
dc.contributor.authorPalekar, Rakhee
dc.contributor.authorRebelo-de-Andrade, Helena
dc.contributor.authorSoetens, Loes
dc.contributor.authorYahaya, Ali Ahmed
dc.contributor.authorZhang, Wenqing
dc.contributor.authorVandemaele, Katelijn
dc.date.accessioned2019-03-26T16:13:39Z
dc.date.available2019-03-26T16:13:39Z
dc.date.issued2018-02-01
dc.descriptionAbstract in English, Arabic, Chinese, French, Russian, Spanishpt_PT
dc.description.abstractThe formulation of accurate clinical case definitions is an integral part of an effective process of public health surveillance. Although such definitions should, ideally, be based on a standardized and fixed collection of defining criteria, they often require revision to reflect new knowledge of the condition involved and improvements in diagnostic testing. Optimal case definitions also need to have a balance of sensitivity and specificity that reflects their intended use. After the 2009-2010 H1N1 influenza pandemic, the World Health Organization (WHO) initiated a technical consultation on global influenza surveillance. This prompted improvements in the sensitivity and specificity of the case definition for influenza - i.e. a respiratory disease that lacks uniquely defining symptomology. The revision process not only modified the definition of influenza-like illness, to include a simplified list of the criteria shown to be most predictive of influenza infection, but also clarified the language used for the definition, to enhance interpretability. To capture severe cases of influenza that required hospitalization, a new case definition was also developed for severe acute respiratory infection in all age groups. The new definitions have been found to capture more cases without compromising specificity. Despite the challenge still posed in the clinical separation of influenza from other respiratory infections, the global use of the new WHO case definitions should help determine global trends in the characteristics and transmission of influenza viruses and the associated disease burden.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationBull World Health Organ. 2018 Feb 1;96(2):122-128. doi: 10.2471/BLT.17.194514. Epub 2017 Nov 27pt_PT
dc.identifier.doi10.2471/BLT.17.194514pt_PT
dc.identifier.issn0042-9686
dc.identifier.urihttp://hdl.handle.net/10400.18/6313
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherWorld Health Organizationpt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectChildpt_PT
dc.subjectChild, Preschoolpt_PT
dc.subjectCoughpt_PT
dc.subjectHospitalizationpt_PT
dc.subjectHumanspt_PT
dc.subjectInfantpt_PT
dc.subjectInfluenza A Virus, H1N1 Subtypept_PT
dc.subjectInfluenza, Humanpt_PT
dc.subjectRespiratory Tract Infectionspt_PT
dc.subjectInfecções Respiratóriaspt_PT
dc.titleRevision of clinical case definitions: influenza-like illness and severe acute respiratory infectionpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage128pt_PT
oaire.citation.issue2pt_PT
oaire.citation.startPage122pt_PT
oaire.citation.titleBulletin of the World Health Organizationpt_PT
oaire.citation.volume96pt_PT
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT

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