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. 2017 Oct;22(43):17-00707.
doi: 10.2807/1560-7917.ES.2017.22.43.17-00707.

Low interim influenza vaccine effectiveness, Australia, 1 May to 24 September 2017

Sheena G Sullivan  1   2   3 , Monique B Chilver  3 , Kylie S Carville  4 , Yi-Mo Deng  1 , Kristina A Grant  4 , Geoff Higgins  5 , Naomi Komadina  1 , Vivian Ky Leung  1 , Cara A Minney-Smith  6 , Don Teng  7 , Thomas Tran  4 , Nigel Stocks  3 , James E Fielding  2   4
Affiliations

Low interim influenza vaccine effectiveness, Australia, 1 May to 24 September 2017

Sheena G Sullivan et al. Euro Surveill. 2017 Oct.

Abstract

In 2017, influenza seasonal activity was high in the southern hemisphere. We present interim influenza vaccine effectiveness (VE) estimates from Australia. Adjusted VE was low overall at 33% (95% confidence interval (CI): 17 to 46), 50% (95% CI: 8 to 74) for A(H1)pdm09, 10% (95% CI: -16 to 31) for A(H3) and 57% (95% CI: 41 to 69) for influenza B. For A(H3), VE was poorer for those vaccinated in the current and prior seasons.

Keywords: Australia; epidemiology; influenza; influenza-like illness - ILI; surveillance; vaccines and immunisation; viral infections.

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Conflict of interest statement

Conflict of interest: None declared.

Figures

Figure 1
Figure 1
Sentinel general practice (GP) surveillance dataa, (A) ILI consultation rates, (B) laboratory detections of influenza patients by week and type/subtype, Australia, 2 January–24 September 2017
Figure 2
Figure 2
Phylogenetic tree for the haemagglutinin gene of influenza A(H3) viruses
See this image and copyright information in PMC

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