Please use this identifier to cite or link to this item:http://hdl.handle.net/20.500.12105/8993
Interim effectiveness of trivalent influenza vaccine in a season dominated by lineage mismatched influenza B, northern Spain, 2017/18
Euro Surveill. 2018 Feb;23(7).
The 2017/18 interim estimate of trivalent influenza vaccine effectiveness (VE) was 39% (95% confidence interval: 20-54) in Navarre. Compared with individuals unvaccinated in the current and five previous seasons, VE against influenza B was 41% for current and any prior doses, 67% for current vaccination only, and 22% for any prior doses, and 43%, 51% and 54%, respectively against influenza A(H3N2). This suggests moderate VE despite predominance of lineage mismatched influenza B.
Case-control study | Influenza | Influenza vaccine | Influenza-like illness | Repeated vaccination | Vaccine effectiveness
Adolescent | Adult | Aged | Case-Control Studies | Child | Child, Preschool | Female | Humans | Influenza A Virus, H3N2 Subtype | Influenza B virus | Influenza Vaccines | Influenza, Human | Male | Middle Aged | Spain | Vaccination | Young Adult | Seasons | Sentinel Surveillance
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