Dataset from Follow-up to Evaluate the the Immunogenicity & Safety of GSK Biologicals' MMRV Vaccine Given as a Two-dose Schedule in the Second Year of Life, as Compared to Separate Administration of GSK Biologicals' Priorix® & Varilrix®.

Follow-up to evaluate the immunogenicity and safety of three production lots of GSK Biologicals' MMRV vaccine given as a two-dose schedule to healthy children in their second year of life, as compared to separate administration of GSK Biologicals' measles-mumps-rubella (MMR) vaccine (Priorix®) and varicella vaccine (Varilrix®) in Germany & Austria. Blood samples were collected at three time points during the follow-up period (Year 1, 2 & 3). No new subjects will be enrolled in these follow-up phases of the study.