Mutations in Polymerase Genes Enhanced the Virulence of 2009 Pandemic H1N1 Influenza Virus in Mice

• Wenfei Zhu ,

  Contributed equally to this work with: Wenfei Zhu, Yun Zhu

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• Yun Zhu ,

  Contributed equally to this work with: Wenfei Zhu, Yun Zhu

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• Kun Qin,
• Zaijiang Yu,
• Rongbao Gao,
• Huiyan Yu,
• Jianfang Zhou ,

  * E-mail: jfz@cnic.org.cn (JFZ); yshu@cnic.org.cn (YLS)

  Affiliation Chinese National Influenza Center, National Institute for Viral Disease Control and Prevention, China CDC, Beijing, People's Republic of China

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• Yuelong Shu

  * E-mail: jfz@cnic.org.cn (JFZ); yshu@cnic.org.cn (YLS)

  Affiliation Chinese National Influenza Center, National Institute for Viral Disease Control and Prevention, China CDC, Beijing, People's Republic of China

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