Tao Zhang

Comparative Immunogenicity of Inactivated H7N9 Avian Influenza Vaccines with Different Internal Gene Backbones

H7N9 avian influenza virus (AIV) poses a persistent threat to poultry and public health. Despite widespread vaccination in China, rapid antigenic drift and reassortment necessitate frequent updates of vaccine strains. Phylogenetic analysis of isolates from Chinese provinces (from...