Objective(s): Influenza is a highly contagious disease. which affects the respiratory system and seasonal influenza is common throughout the world. Influenza vaccination is an effective way to reduce the risk of death and hospitalization. This study aims at the expression of swine recombinant hemagglutinin protein in the baculovirus expression system and it offers a comparison of the ... https://megavitamines.shop/product-category/shark-liver-oil/