To assess immunogenicity of measles vaccine of measles and rubella combined vaccine. Subjects and methods: Randomized, controlled and single-blind clinical trial study was conducted on 756 people aged from 1 to 45 years old in Hanam and Hoabinh provinces, measured measles antibody titer by EIA technique, analyzed indexes to evaluate immunogenicity. | Immunogenicity of measles vaccine of measles and rubella combined vaccine manufactering by polyvac