A Study to Evaluate GSK Biologicals' Candidate Formulations of Pneumococcal Vaccines (GSK2189241A) in Elderly Subjects.
A Study to Evaluate GSK Biologicals' Candidate Formulations of Pneumococcal Vaccines (GSK2189241A) in Elderly Subjects.
The purpose of this observer-blind study is to evaluate the safety, reactogenicity and immunogenicity of pneumococcal vaccines in elderly. Subjects will be vaccinated twice with an interval of two months.
Inclusion Criteria:
Exclusion Criteria: