Figure 2From: Phylogenetic and antigenic characterization of reassortant H9N2 avian influenza viruses isolated from wild waterfowl in the East Dongting Lake wetland in 2011–2012A hypothetical reassortment pattern of the novel H9N2 virus isolates. Red colored gene segments indicate genes that are derived from the American AIV gene pool and blue colored gene segments indicate genes that originated in the Eurasian gene pool.Back to article page