Dataset from Evaluate Immunogenicity & Safety of a Single or Double-dose of the Pandemic Influenza Candidate Vaccine (GSK1562902A) Given Following a Two-administration Schedule (21 Days Apart) in Adults Over 60 Yrs

The present study is designed to evaluate the immunogenicity and safety of a single or double dose of the pandemic influenza candidate vaccine (GSK1562902A), administered following a two-administration schedule (21 days apart) in adults over 60 years of age. The persistence of influenza antibodies will also be evaluated 24 months after vaccination.