| 摘要 |
<p>Current approaches to influenza vaccination focus either on seasonal strains or pandemic strains. Current seasonal vaccines typically include antigens from two influenza A strains (H1N1 and H3N2) and one influenza B strain. Current pandemic vaccines focus on H5N1 influenza A virus strains. It is an object of the invention to provide further and improved ways of preparing vaccines that can raise immunity against both seasonal and pandemic strains.</p> |
