Measles; Mumps; Rubella; Chickenpox Clinical Trial
Official title:
A Phase II, Single-blind, Randomized, Controlled Study to Evaluate the Immunogenicity and Safety of a Measles, Mumps, Rubella, Varicella Vaccine Compared With ProQuad, Administered in Healthy Children 4-6 Years of Age
The main purpose of this study is to assess immune response and safety of various potencies of a measles, mumps, rubella, and varicella (MMRVNS) vaccines given to healthy children of 4 to 6 years of age.
n/a