从规模化养殖场鸭群气管和泄殖腔试子分离到新城疫病毒（NDV）27株，用2株针对NDVHN单抗进行抗原表位分析，并选择4个分离株进行F基因高变......

Influenza virus can rapidly change its antigenicity, via mutation in the hemagglutinin(HA) protein, to evade host immuni......

In this study,a synthesized quadruple antigenic epitope gene region of the classical swine fever virus (CSFV)E2 glycopro......