Safety and Immunogenicity of A/H1N1-SOIV (Swine Flu) Vaccine With and Without Adjuvant in Non-Elderly and Elderly Adults

Inclusion Criteria: * Adults 18 years of age and older in good health as determined by medical history, physical assessment and clinical judgement of the investigator and without influenza within the past 6 months. Exclusion Criteria: * History of serious disease. * History of serious reaction following administration of vaccine or hypersensitivity to vaccine components. * Known or suspected impairment/alteration of immune function. * Receipt or planned receipt of seasonal trivalent influenza vaccine within 1 week before or after each study vaccination. * Sexually active women of childbearing potential must use acceptable birth control during the treatment phase of the study. * For additional entry criteria, please refer to protocol.