Frequency of D222G and Q223R Hemagglutinin Mutants of Pandemic (H1N1) 2009 Influenza Virus in Japan between 2009 and 2010

• Mayo Yasugi,

  Affiliations International Research Center for Infectious Diseases, Research Institute for Microbial Diseases (RIMD), Osaka University, Suita, Osaka, Japan, Department of Virology, RIMD, Osaka University, Suita, Osaka, Japan

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• Shota Nakamura,

  Affiliations Department of Genome Informatics, RIMD, Osaka University, Suita, Osaka, Japan, Department of Infection Metagenomics, RIMD, Osaka University, Suita, Osaka, Japan

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• Tomo Daidoji,

  Affiliations International Research Center for Infectious Diseases, Research Institute for Microbial Diseases (RIMD), Osaka University, Suita, Osaka, Japan, Department of Infectious Diseases, Kyoto Prefectural University of Medicine, Kamigyo-ku, Kyoto, Japan

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• Norihito Kawashita,

  Affiliations Department of Genome Informatics, RIMD, Osaka University, Suita, Osaka, Japan, Department of Environmental Pharmacometrics, Graduate School of Pharmaceutical Sciences, Osaka University, Suita, Osaka, Japan

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• Ririn Ramadhany,

  Affiliations International Research Center for Infectious Diseases, Research Institute for Microbial Diseases (RIMD), Osaka University, Suita, Osaka, Japan, Department of Virology, RIMD, Osaka University, Suita, Osaka, Japan

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• Cheng-Song Yang,

  Affiliations International Research Center for Infectious Diseases, Research Institute for Microbial Diseases (RIMD), Osaka University, Suita, Osaka, Japan, Department of Virology, RIMD, Osaka University, Suita, Osaka, Japan

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• Teruo Yasunaga,

  Affiliation Department of Genome Informatics, RIMD, Osaka University, Suita, Osaka, Japan

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• Tetsuya Iida,

  Affiliations International Research Center for Infectious Diseases, Research Institute for Microbial Diseases (RIMD), Osaka University, Suita, Osaka, Japan, Department of Infection Metagenomics, RIMD, Osaka University, Suita, Osaka, Japan

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• Toshihiro Horii,

  Affiliations International Research Center for Infectious Diseases, Research Institute for Microbial Diseases (RIMD), Osaka University, Suita, Osaka, Japan, Department of Infection Metagenomics, RIMD, Osaka University, Suita, Osaka, Japan, Department of Molecular Protozoology, RIMD, Osaka University, Suita, Osaka, Japan

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• Kazuyoshi Ikuta,

  Affiliation Department of Virology, RIMD, Osaka University, Suita, Osaka, Japan

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• Kazuo Takahashi,

  Affiliation Osaka Prefectural Institute of Public Health, Higashinari-ku, Osaka, Japan

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• Takaaki Nakaya

  * E-mail: tnakaya@biken.osaka-u.ac.jp

  Affiliations International Research Center for Infectious Diseases, Research Institute for Microbial Diseases (RIMD), Osaka University, Suita, Osaka, Japan, Department of Infection Metagenomics, RIMD, Osaka University, Suita, Osaka, Japan, Department of Infectious Diseases, Kyoto Prefectural University of Medicine, Kamigyo-ku, Kyoto, Japan

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