Abstract Background Host serine proteases are essential for the influenza virus life cycle because the viral haemagglutinin is synthesized as a precursor which requires proteolytic maturation. Therefore. we studied the activity and expression of serine proteases in lungs from mice infected with influenza and evaluated the effect of serine protease inhibitors on virus replication both ... https://parisnaturalfoodes.shop/product-category/bcaa-xdm-spiked-powder-berries/