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H5N1 highly pathogenic avian influenza (HPAI) viruses have seriously affected the Asian poultry industry since their recurrence in 2003. While surveillance in southern China has revealed that H5N1 viruses underwent extensive genetic reassortment to generate many different viral genotype viruses, little is known concerning the genotypes of H5N1 virus that circulated in central China in recent years...
Avian influenza has been regarded as a human health threat. A major measure to prevent its outbreak is vaccination. In this study, a series of expression plasmids carrying the hemagglutinin (HA), neuraminidase (NA), nucleoprotein (NP), matrix protein 1 (M1), and matrix protein 2 (M2) genes, respectively, of the avian influenza virus (AIV) A/Chicken/Henan/12/2004(H5N1) strain were constructed. These...
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