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. 2019 Feb;24(8):1900121.
doi: 10.2807/1560-7917.ES.2019.24.1900121.

Interim 2018/19 influenza vaccine effectiveness: six European studies, October 2018 to January 2019

Esther Kissling  1   2 , Angela Rose  1   2 , Hanne-Dorthe Emborg  3 , Alin Gherasim  4 , Richard Pebody  5 , Francisco Pozo  6 , Ramona Trebbien  7 , Clara Mazagatos  4 , Heather Whitaker  5 , Marta Valenciano  1 ; European IVE group  8
Affiliations

Interim 2018/19 influenza vaccine effectiveness: six European studies, October 2018 to January 2019

Esther Kissling et al. Euro Surveill. 2019 Feb.

Abstract

Influenza A(H1N1)pdm09 and A(H3N2) viruses both circulated in Europe in October 2018-January 2019. Interim results from six studies indicate that 2018/19 influenza vaccine effectiveness (VE) estimates among all ages in primary care was 32-43% against influenza A; higher against A(H1N1)pdm09 and lower against A(H3N2). Among hospitalised older adults, VE estimates were 34-38% against influenza A and slightly lower against A(H1N1)pdm09. Influenza vaccination is of continued benefit during the ongoing 2018/19 influenza season.

Keywords: Europe; influenza; multicentre study; test-negative design; vaccination; vaccine effectiveness; vaccines and immunisation.

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Conflict of interest statement

Conflict of interest: None declared.

Figures

Figure 1
Figure 1
European Union countries contributing to the interim influenza vaccine effectiveness results, influenza season 2018/19 (n  = 11)
Figure 2
Figure 2
Proportion of influenza virus (sub)types by study, 11 European countries, interim influenza season 2018/19 (n = 2,263)
See this image and copyright information in PMC

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