Oil-in-water emulsion influenza vaccine

摘要

The present invention provides an immunogenic influenza composition in a dose volume suitable for human use, comprising an influenza virus antigen or antigenic preparation thereof and an adjuvant composition comprising an oil-in-water emulsion, wherein said oil-in-water emulsion comprises a metabolisable oil at a level of below 11 mg and an emulsifying agent at a level of below 5 mg and optionally a tocol or a sterol at a level of below 12 mg. Suitably the amount of influenza antigen per strain per dose is 15 pg HA or a low amount such as less than 15 pg HA.