Highly pathogenic avian influenza was listed as type A acute infectious disease by Office International Des Epizooties (OIE). H5N1 subtype highly pathogenic avian influenza viruses (HPAIV) always cause disaster damage for the poultry industry, and recently, the subtype avian influenza viruses caused human infections and deaths in several occasions.So the researches about the molecular of biological properties basis of AIV have been constantly emphasized.
To understand the molecular evolution of the A/Du...