Lot-to-Lot Consistency Study of the Investigational, Split-virion, Inactivated Influenza Vaccine, Administered by the Intradermal Route in Adults

To demonstrate that the three different industrial lots of the intradermal (ID) investigational vaccine induce an equivalent immune response.

Vaccination of adults aged 18 to 60 years with inactivated, split-virion influenza vaccine administered by the intradermal route using Vaxigrip® as IM reference vaccine