Vaccination with recombinant Lactococcus lactis expressing HA1-IgY Fc fusion protein provides protective mucosal immunity against H9N2 avian influenza virus in chickens

用表达HA1-IgY Fc融合蛋白的重组乳酸乳球菌进行疫苗接种，可为鸡提供针对H9N2禽流感病毒的保护性黏膜免疫。