Safety Study of an Adjuvanted Candidate Influenza Vaccine to Prevent Influenza Disease in the Elderly Population

Inclusion Criteria: A male or female aged over 65 years at the time of the revaccination; who previously received the adjuvanted candidate vaccine or Fluarix during a clinical study organized during the preceeding year Exclusion Criteria: Use of any investigational or non-registered product (drug or vaccine) other than the study vaccine(s) within 30 days preceding the administration of the study vaccine, or planned use during the study period. Chronic administration (defined as more than 14 days) of immunosuppressants or other immune-modifying drugs within six months prior to the administration of the study vaccine. History of confirmed influenza infection since a year from the date of previous vaccination. Any confirmed or suspected immunosuppressive or immunodeficient condition, based on medical history and physical examination History of hypersensitivity to vaccines. History of allergic disease or reactions likely to be exacerbated by any component of the vaccine. Acute clinically significant pulmonary, cardiovascular, hepatic or renal functional abnormality, as determined by physical examination or laboratory screening tests. Acute disease at the time of enrolment. Administration of immunoglobulins and/or any blood products within the three months preceding the administration of the study vaccine or during the study.