Study Status: Completed
Recruit Status: Completed
Study Type: Interventional
Official Title: Safety and Immunogenicity Study of GSK Biologicals' Measles-mumps-rubella (MMR) Vaccine (209762) Comparing Immunogenicity and Safety to Merck & Co., Inc.'s MMR Vaccine, in Healthy Children 12 to 1
Brief Summary: The purpose of this study is to evaluate the immunogenicity and safety of GSK Biologicals' trivalent MMR (Priorix®), comparing it to Merck's MMR vaccine (M-M-R®II), which is approved for use in the US in healthy children 12 to 15 months of age.