Hemagglutinin (ha) is the most important surface antigen of virus and has subtype speciality, which induce the peculiar antibody.

血凝素(A)蛋白为病毒最重要的表面抗原，具有亚型特异性，同时可以诱导特异性抗体的产生。

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The method was used to design proteins that bind a conserved surface patch on the stem of the influenza hemagglutinin (ha) from the 1918 H1N1 pandemic virus.

研究人员通过该方法设计出来的蛋白，能够结合到广泛流行性病毒1918 H1N 1蛋白血凝素(HA)主干上的一个保守的表面区域。

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The virus strain was identified Avian Influenza virus a, the sub-serotypes of hemagglutinin (ha) and neuraminidase (NA) were not determined. And the strain had excellent immunogenicity.

经血清学鉴定为A型禽流感病毒(HA、NA亚型未测定)，该病毒株具有良好的免疫原性。

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