INFLUENZA VIRUS VACCINE COMPOSITION HAVING A SYNERGISTIC EFFECT AND CONTAINING INFLUENZA VIRUS CORE AS AN ADDITIVE

摘要

The use, when preparing a vaccine composition containing a standard influenza virus vaccine, of an additive which consists of a core or core fraction of at least one influenza virus, especially a fraction containing protein M; and a vaccine composition thereby obtained. The use of said additive improves the vaccine's effectiveness.