Effectiveness of the 2009 seasonal influenza vaccine against pandemic influenza A(H1N1)2009 in healthcare workers in New Zealand, June-August 2009
Jefferies, S and Earl, D and Berry, N and Blackmore, T and Rooker, S and Raymond, N and Pritchard, A and Weatherall, M and Beasley, R and Perrin, K, Eurosurveillance, 16, 19761 (2011), https://doi.org/10.2807/ese.16.02.19761-en