Despite the ability to induce a broad range of cross protection. M2e5x virus-like particles (VLPs) alone provide limited vaccine efficacy and confer low efficacy of protection against highly pathogenic avian influenza virus (HPAIV) infection in chickens. Avian influenza hemagglutinin (HA) has been a major antigenic target that enhances humoral immunity. but the efficacy of avian HA-ba... https://billyjers.shop/product-category/jackets/