Imported pigs may have introduced the first classical swine influenza viruses into Mainland China

Wenfei Zhu1, Shuai Yang, Yuanji Guo

  • 1Chinese National Influenza Center, National Institute for Viral Disease Control and Prevention, Key Laboratory of Surveillance and Early-warning on Infectious Disease, China CDC, Key Laboratory for Medical Virology, Ministry of Health, 155 Changbai Road, Beijing 102206, PR China.

Abstract