Whole-genome analysis of human influenza A virus reveals multiple persistent lineages and reassortment among recent H3N2 viruses.

Holmes, E. C., E. Ghedin, N. Miller, J. Taylor, Y. M. Bao, G. St, K, B. T. Grenfell, S. L. Salzberg, C. M. Fraser, D. J. Lipman, and J. K. Taubenberger. 2005. Whole-genome analysis of human influenza A virus reveals multiple persistent lineages and reassortment among recent H3N2 viruses. Plos Biol 3:1579-1589.