Abstract
Adjusted early estimates of the 2013/14 influenza vaccine effectiveness (VE) in Spain for all age groups was 35% (95% CI: -9 to 62), 33% (95% CI: -33 to 67) and 28% (95% CI: -33 to 61) against any influenza virus type, A(H1N1)pdm09 and A(H3N2) viruses, respectively. For the population targeted for vaccination, the adjusted VE was 44% (95% CI: -11 to 72), 36% (95% CI: -64 to 75) and 42% (95% CI: -29 to 74), respectively. These preliminary results in Spain suggest a suboptimal protective effect of the vaccine against circulating influenza viruses.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Adolescent
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Adult
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Aged
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Aged, 80 and over
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Case-Control Studies
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Child
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Child, Preschool
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Female
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Humans
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Infant
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Influenza A Virus, H1N1 Subtype / genetics
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Influenza A Virus, H1N1 Subtype / immunology*
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Influenza A Virus, H1N1 Subtype / isolation & purification
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Influenza A Virus, H3N2 Subtype / genetics
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Influenza A Virus, H3N2 Subtype / immunology*
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Influenza A Virus, H3N2 Subtype / isolation & purification
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Influenza Vaccines / administration & dosage*
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Influenza, Human / epidemiology
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Influenza, Human / prevention & control*
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Influenza, Human / virology
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Logistic Models
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Male
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Middle Aged
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Outcome Assessment, Health Care*
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Population Surveillance
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Spain / epidemiology
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Vaccination
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Young Adult