6Cohen J.Swine flue outbreak.Flu researchers train sights on novel tricks of novel H1N1.Science,2009,324(5929):870-871.
7Wagner R,Matrosovich M,Klenk HD.Functional balance between haemagglutinin and neuraminidase in influenza virus infections.Rev Med Virol,2002,12(3):159-166.
8Mishin VP,Novikov D,Hayden FG,et al.Effect of hemagglutinin glycosylation on influenza virus susceptibility to neuraminidase inhibitors.J Virol,2005,79(19):12416-12424.
9Watanabe T,Watanabe S,Shinya K,et al.Viral RNA polymerase complex promotes optimal growth of 1918 virus in the lower respiratory tract of ferrets.Proc Natl Acad Sci U S A,2009,106(2):588-592.
10Smith GJ,Vijaykrishna D,Bahl J,et al.Origins and evolutionary genomics of the 2009 swine-origin H1N1 influenza A epidemic.Nature,2009,459(7250):1122-1125.