Hemaglutinin(HA) is an important absorbent protein and effectiv protective antigen of AIV.It not only mediates AIV to adsorb and penetrate cells,but also makes the host produce immunity against AIV.
血凝素蛋白(HA)既是一重要吸附蛋白,介导禽流吸附和穿入宿主细胞而发挥致作用,也是一良好的保护抗原,对宿主抵抗禽流起到了保护作用。