A new pandemic influenza A(H1N1) genetic variant predominated in the winter 2010 influenza season in Australia, New Zealand and Singapore Barr, I G and Cui, L and Komadina, N and Lee, R T and Lin, R T and Deng, Y and Caldwell, N and Shaw, R and Maurer-Stroh, S, Eurosurveillance, 15, 19692 (2010), https://doi.org/10.2807/ese.15.42.19692-en