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。
2
Neuraminidase (NA) is an important protein on the surface of virion and plays an important role in immune and lethality.