2Kanegae Y,Sugita S t,Endo A,et a1.Evolutionarypattern of the hemagglutinin of influenza B virus isolatedin Japan:cocirculation lineages in the same epidemicseason[J]. Virology,1990,64(6):2860-2865.
3Rambaut A,Pybus O G,Nelson M I,et al.The genom-ic and epidemiological dynamics of human influenza Avirus[J]. Nature,2008,453(7195):615-619.
4WHO.Recommended viruses for influenza vaccines foruse in the 2010-2011northern hemisphere influenza sea-son[J]. Wkly Epidemiol Rec,2010,85(10):81-92.
5WHO.Recommended composition of influenza virus vac-cines for use in the 2011-2012 northern hemisphereinfluenza season[J]. Wkly Epidemiol Rec,2011,86(10):81-92.
6中国流感监测周报.2011,14周-2012,13周.
7Wiley D C,wilson I A,Skehel J J,et a1.Structuralidentification of the antibody-binding sites of HongKong influenza hemagglutinin and their involvement inantigentic variation[J]. Nature,1981,289:373-378.
8Wiley D C,Skehel J J.The structure and function of thehemagglutinin membrane glycoprotein of influenza virus[J]. Annu Rev Biochem,1987,56:365-394.
9Lees W D,Moss D S,Shepherd A J,et al.A computa-tional analysis of the antigenic prosperities of hemagglui-nin in influenza A H3N2[J]. Bioinformatics,2010,26(11):1403-1408.
10Liao Y C,Lee M S,Ko C Y,et al.Bioinformaticsmodels for predicting antigenic variants of influenza A/H3N2virus[J]. Bioinformatics,2008,24(4):505-512.