Substitutions in the PB2 methionine 283 residue affect H5 subtype avian influenza virus virulence

Sujuan Chen1,2,3,4, Yizhang Xie1,2,3,4, Xiang Su1,2,3,4

  • 1College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, PR China.