Safety and Immunogenicity of A/H1N1-SOIV (Swine Flu) Vaccine With and Without Adjuvant in Children (3 to < 9 Years)

Inclusion Criteria: * Children 3 to \< 9 years of age 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. For additional entry criteria, please refer to protocol.