H5N6 New castle virus expression system for expressing the H5N6 surface antigen of avian influenza virus subtype H5N6 and avian vaccine using the same

摘要

The present invention is a chimeric virus comprising a foreign gene encoding at least one selected from the group consisting of HA and NA proteins of Newcastle disease virus vector and avian influenza virus (AIV) subtype H5N6, and avian virus disease using the chimeric virus. It relates to vaccine compositions and methods of immunizing birds.