We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleEnhanced virulence of influenza A viruses with the haemagglutinin of the 1918 pandemic virus.AuthorsKobasa, Darwyn; Takada, Ayato; Shinya, Kyoko; Hatta, Masato; Halfmann, Peter; Theriault, Steven; Suzuki, Hiroshi; Nishimura, Hidekazu; Mitamura, Keiko; Sugaya, Norio; Usui, Taichi; Murata, Takeomi; Maeda, Yasuko; Watanabe, Shinji; Suresh, M.; Suzuki, Takashi; Suzuki, Yasuo; Feldmann, Heinz; Kawaoka, YoshihiroPublicationNature, 2004, Vol 431, Issue 7009, p703ISSN0028-0836Publication typearticleDOI10.1038/nature02951