Comparative Trial Evaluating Safety and Immunogenicity of an Adjuvanted and a Conventional Influenza Vaccine in Elderly Subjects (> 60 Years)

Clinical Trial in Two parts: Part 1: Phase I, Open-Label, Single-Center Study to Evaluate the Safety of an adjuvanted Influenza Vaccine When Administered to Elderly Subjects. Part 2: A Phase III, Randomized, Controlled, Observer-blind, Single-Center Study to Evaluate the Immunogenicity and Safety of an adjuvanted and a conventional Influenza Vaccine When Administered to Elderly Subjects.