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Euro Surveill. Vaccine effectiveness in preventing laboratory-confirmed influenza in Navarre, Spain: 2013/14 mid-season analysis (overall 24% VE!)

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  • Euro Surveill. Vaccine effectiveness in preventing laboratory-confirmed influenza in Navarre, Spain: 2013/14 mid-season analysis (overall 24% VE!)

    [Source: Eurosurveillance, full page: (LINK). Abstract, edited.]


    Eurosurveillance, Volume 19, Issue 6, 13 February 2014

    Rapid communications

    Vaccine effectiveness in preventing laboratory-confirmed influenza in Navarre, Spain: 2013/14 mid-season analysis

    J Castilla <SUP>1</SUP><SUP>,2</SUP>, I Martínez-Baz<SUP>1</SUP><SUP>,2</SUP>, A Navascués<SUP>3</SUP>, M Fernandez-Alonso<SUP>4</SUP>, G Reina<SUP>4</SUP>, M Guevara<SUP>1</SUP><SUP>,2</SUP>, J Chamorro<SUP>3</SUP>, M T Ortega<SUP>5</SUP>, E Albéniz<SUP>6</SUP>, F Pozo<SUP>7</SUP>, C Ezpeleta<SUP>3</SUP>, Primary Health Care Sentinel Network<SUP>8</SUP>, Network for Influenza Surveillance in Hospitals of Navarre<SUP>8</SUP>
    <SUP></SUP>
    <SUP>1</SUP>Instituto de Salud Pública de Navarra (Public Health Institute of Navarre), Pamplona, Spain - 2 Centro de Investigación Biomédica en Red de Epidemiología y Salud Pública (CIBERESP; Network of Biomedical Research Centers Epidemiology and Public Health), Spain - 3 Complejo Hospitalario de Navarra (Hospital Complex of Navarre), Pamplona, Spain – 4 Clínica Universidad de Navarra (University Clinic of Navarre), Pamplona, Spain - 5 Hospital Reina Sofía, Tudela, Spain - 6 Dirección de Atención Primaria (Primary Healthcare Directorate, Navarre Health Service), Pamplona, Spain - 7 Centro Nacional de Microbiología (WHO National Influenza Centre - Madrid), Instituto de Salud Carlos III, Majadahonda, Spain - 8 The members of these networks are listed at the end of the article
    ______

    Citation style for this article: Castilla J, Martínez-Baz I, Navascués A, Fernandez-Alonso M, Reina G, Guevara M, Chamorro J, Ortega MT, Albéniz E, Pozo F, Ezpeleta C, Primary Health Care Sentinel Network, Network for Influenza Surveillance in Hospitals of Navarre. Vaccine effectiveness in preventing laboratory-confirmed influenza in Navarre, Spain: 2013/14 mid-season analysis. Euro Surveill. 2014;19(6):pii=20700. Available online: http://www.eurosurveillance.org/View...rticleId=20700
    Date of submission: 31 January 2014

    ________

    We estimate mid-2013/14 season vaccine effectiveness (VE) of the influenza trivalent vaccine in Navarre, Spain. Influenza-like illness cases attended in hospital (n=431) and primary healthcare (n=344) were included. The overall adjusted VE in preventing laboratory-confirmed influenza was 24% (95% CI: −14 to 50). The VE was 40% (95% CI: −12 to 68) against influenza A(H1)pdm09 and 13% (95% CI: −36 to 45) against influenza A(H3). These results suggest a moderate preventive effect against influenza A(H1)pdm09 and low protection against influenza A(H3).


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