Interim estimates of the effectiveness of seasonal trivalent inactivated influenza vaccine in preventing influenza hospitalisations and primary care visits in Auckland, New Zealand, in 2014 Turner, N and Pierse, N and Huang, Q S and Radke, S and Bissielo, A and Thompson, M G and Kelly, H and on behalf of the SHIVERS investigation team, Collective, Eurosurveillance, 19, 20934 (2014), https://doi.org/10.2807/1560-7917.ES2014.19.42.20934