Genetic characterization of swine influenza viruses isolated in Japan between 2009 and 2012

Aya Matsuu1, Yuko Uchida, Nobuhiro Takemae

  • 1Research Teams for Zoonotic Diseases, National Institute of Animal Health, National Agriculture and Food Research Organization, 3-1-5 Kannondai, Tsukuba, Ibaraki 305-0856, Japan.