Search results for "Influenza vaccine effectiveness"

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Interim 2017/18 influenza seasonal vaccine effectiveness: combined results from five European studies

2018

Between September 2017 and February 2018, influenza A(H1N1)pdm09, A(H3N2) and B viruses (mainly B/Yamagata, not included in 2017/18 trivalent vaccines) co-circulated in Europe. Interim results from five European studies indicate that, in all age groups, 2017/18 influenza vaccine effectiveness was 25 to 52% against any influenza, 55 to 68% against influenza A(H1N1)pdm09, -42 to 7% against influenza A(H3N2) and 36 to 54% against influenza B. 2017/18 influenza vaccine should be promoted where influenza still circulates. Funding: The five studies have received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 634446 to conduct the study in…

0301 basic medicineMalePediatricsEpidemiologyvirusesInfluenza B viruinfluenza ; influenza vaccine effectiveness ; influenza vaccination ; case control study ; multicentre study ; EuropeEurope case control study influenza influenza vaccination influenza vaccine effectiveness multicentre study0302 clinical medicineInfluenza A Virus H1N1 Subtype[SDV.MHEP.MI]Life Sciences [q-bio]/Human health and pathology/Infectious diseasesInteriminfluenza vaccine effectivenessEpidemiologyPandemicInfluenza A Virus030212 general & internal medicineQAInfluenza vaccine effectivenessChildmedia_commonVaccine EffectivenessVaccinationvirus diseasesMiddle Agedinfluenza vaccinationmulticentre study3. Good healthVaccinationEuropeTreatment OutcomeInfluenza VaccinesChild PreschoolH3N2 SubtypeFemaleSeasonsInfluenza VaccineinfluenzaRapid CommunicationHumanAdultRMmedicine.medical_specialtyAdolescentInfluenza vaccine030106 microbiologyCase control studyMulticentre studyEuropean studiesSettore MED/07 - MICROBIOLOGIA E MICROBIOLOGIA CLINICA03 medical and health sciencesVirologyInfluenza Humanmedicinemedia_common.cataloged_instanceHumansH1N1 SubtypeVacina AntigripalEuropean UnionEuropean unionPreschoolPandemicsAgedPandemicInfluenza A Virus H3N2 SubtypeCuidados de SaúdePublic Health Environmental and Occupational HealthInfant NewbornInfantInfluenza ainfluenza vaccine effectivenecase control studyNewbornEurope; case control study; influenza; influenza vaccination; influenza vaccine effectiveness; multicentre studyInfluenzarespiratory tract diseasesInfluenza vaccinationInfluenza B virusEurope; case control study; influenza; influenza vaccination; influenza vaccine effectiveness; multicentre study; Adolescent; Adult; Aged; Child; Child Preschool; Europe; European Union; Female; Humans; Infant; Infant Newborn; Influenza A Virus H1N1 Subtype; Influenza A Virus H3N2 Subtype; Influenza B virus; Influenza Vaccines; Influenza Human; Male; Middle Aged; Pandemics; Treatment Outcome; Vaccination; Seasons[SDV.SPEE]Life Sciences [q-bio]/Santé publique et épidémiologieDeterminantes da Saúde e da Doença[SDV.IMM.VAC]Life Sciences [q-bio]/Immunology/Vaccinology
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Moderate influenza vaccine effectiveness against A(H1N1)pdm09 virus, and low effectiveness against A(H3N2) subtype, 2018/19 season in Italy

2019

Background: Influenza vaccines are updated every year to match the vaccine strains with currently circulating viruses; consequently influenza vaccine effectiveness (IVE) has to be assessed annually.Research design and methods: A test-negative case-control study was conducted within the context of the Italian sentinel influenza surveillance network to estimate IVE by age group, virus subtype, and vaccine brand in medically attended laboratory-confirmed influenza.Results: In Italy, the 2018/19 influenza season was characterized by the co-circulation of influenza A(H1N1)pdm09 and A(H3N2) viruses. The adjusted IVE estimate in preventing influenza was moderate (44.8%, 95% CI: 18.8 to 62.5) again…

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