Safety and Immunogenicity Study of GSK Biologicals Tuberculosis Vaccines (692342) to Healthy Adults

This observer blind study will assess the safety and immunogenicity of different formulations of GSK Biologicals' 692342 tuberculosis vaccine in healthy adults aged 18 to 45 years with a positive PPD skin test. The Protocol Posting has been updated in order to comply with the FDA Amendment Act, Sep 2007.