Fig. 3From: Bioinformatics studies of Influenza A hemagglutinin sequence data indicate recombination-like events leading to segment exchanges2D graphical representations of two actual parental H5N1 strains of hemagglutinin giving rise to a daughter strain following item 12 of H5N1 group in Additional file 1. Colour schemes are as in the schema in Fig. 2 Back to article page