About: Seasonal influenza surveillance: Observational study on the 2017–2018 season with predominant B influenza virus circulation

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About: Seasonal influenza surveillance: Observational study on the 2017–2018 season with predominant B influenza virus circulation Goto Sponge NotDistinct Permalink

An Entity of Type : schema:ScholarlyArticle, within Data Space : covidontheweb.inria.fr associated with source document(s)

Attributes	Values
type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	Seasonal influenza surveillance: Observational study on the 2017–2018 season with predominant B influenza virus circulation
Creator	Basile, L Jane, M Marcos, M Martínez, A Mosquera, M Torner, N
Source	Elsevier; Medline; PMC
abstract	Abstract Introduction Influenza is a common respiratory infectious disease affecting population worldwide yearly. The aim of this work is to describe the 2017–2018 influenza season and how it affected elderly population in Catalonia despite moderate vaccine coverage among this age group. Methods Influenza surveillance based on a primary care sentinel surveillance, virological indicators systematic sampling of ILI attended and severe influenza confirmed cases (SHLCI) admitted to hospital. Analysis of data by Chi-squared, ANOVA, multiple regression and negative control test or case to case for vaccine effectiveness assessment in primary care and SHLCI respectively. Results Moderate-high intensity and early onset season with predominance of influenza B virus (IVB) (63%) followed by an increase of circulation of influenza A virus (IVA). A total of 419 IV from primary care samples. Vaccine effectiveness (VE) in primary care setting was 14% (95%CI: 0–47%). 1306 severe cases (adjusted cumulative incidence 18.54/100,000 inhabitants (95%CI: 17.54–19.55)). The highest proportion of severe cases were in the >64 (65.1%) (aOR 15.70; 95%CI: 12.06–20.46; p <0.001) followed by 45–64yo (25.4%) (aOR 6.03; 95%CI: 4.57–7.97). VE in preventing intensive care unit (ICU) admission was 35% (95%CI: 10–54%). Final outcome death while hospitalized occurred in 175 SHLCI cases with a case fatality rate of 13.4%. Conclusions 2017–2018 influenza season was an unusual epidemic season with an early onset, great predominance of influenza B (Yamagata strain) virus with a high hospitalization rate of severe cases among elderly stressing the need to upgrade vaccine uptake in this age group.
has issue date	2019-12-31(xsd:dateTime)
bibo:doi	10.1016/j.vacun.2019.09.003
bibo:pmid	32288701
has license	els-covid
sha1sum (hex)	c3e042d1d365c51b9d3dc98ca63ad5ea67d2d315
schema:url	https://doi.org/10.1016/j.vacun.2019.09.003
resource representing a document's title	Seasonal influenza surveillance: Observational study on the 2017–2018 season with predominant B influenza virus circulation
has PubMed Central identifier	PMC7140273
has PubMed identifier	32288701
schema:publication	Vacunas
resource representing a document's body	covid:c3e042d1d365c51b9d3dc98ca63ad5ea67d2d315#body_text
is schema:about of	named entity 'INFLUENZA SURVEILLANCE' named entity 'original' named entity 'describe' named entity '2017' named entity 'The' named entity 'sentinel' named entity 'primary care' named entity 'attended' named entity 'circulation' named entity 'SEASONAL INFLUENZA' named entity 'PREDOMINANT' named entity 'POPULATION' named entity 'AFFECTED' named entity 'INCREASE' named entity 'CIRCULATION' named entity 'INFLUENZA B VIRUS' named entity '0.001' named entity 'FORM' named entity 'AGE GROUP' named entity 'INFLUENZA' covid:arg/c3e042d1d365c51b9d3dc98ca63ad5ea67d2d315 named entity 'WORK' named entity 'V A' named entity 'COVERAGE' named entity 'CONTROL TEST' named entity 'INFLUENZA SEASON' named entity 'FREE' named entity 'HIGH INTENSITY' named entity 'AFFECTING' named entity 'EFFECTIVENESS ASSESSMENT' named entity 'TO DESCRIBE' named entity 'INTRODUCTION' named entity 'USE' named entity 'MULTIPLE REGRESSION' named entity 'RIGHTS' named entity 'LONG' named entity 'A COMMON' named entity 'CHI' named entity 'HIGHEST' named entity 'ANALYSIS' named entity 'ORIGINAL' named entity 'AIM' named entity 'WORLDWIDE' named entity '1306' named entity 'EARLY ONSET' named entity 'ILI' named entity 'SEASON' named entity 'SQUARED' named entity 'SEASON' named entity 'INFLUENZA VIRUS' named entity 'OBSERVATIONAL STUDY' named entity 'CARE SETTING' named entity 'CUMULATIVE INCIDENCE' named entity 'INFLUENZA A VIRUS' named entity 'METHODS' named entity 'ATTENDED' named entity 'RESEARCH' named entity 'REPOSITORIES' named entity 'MODERATE' named entity 'PERMISSIONS' named entity 'YEARLY' named entity 'SAMPLES' named entity 'VIROLOGICAL' named entity 'SYSTEMATIC SAMPLING' named entity 'THESE' named entity 'NEGATIVE CONTROL' named entity 'DATA' named entity 'BASED' named entity 'ORIGINAL SOURCE' named entity 'INDICATORS' named entity 'PRIMARY CARE' named entity '2018' named entity 'INFECTIOUS DISEASE' named entity 'ANOVA' named entity 'VACCINE EFFECTIVENESS' named entity 'IS A'

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