Seroprevalence of 2009 pandemic influenza A(H1N1) virus in Australian blood donors, October – December 2009 McVernon, J and Laurie, K and Nolan, T and Owen, R and Irving, D and Capper, H and Hyland, C and Faddy, H and Carolan, L and Barr, I and Kelso, A, Eurosurveillance, 15, 19678 (2010), https://doi.org/10.2807/ese.15.40.19678-en