Immunogenicity and safety of a combined measles, mumps, rubella and varicella live vaccine (ProQuad®) administered concomitantly with a booster dose of a hexavalent vaccine in 12-23-month-old infants

These immunogenicity data support the concomitant administration of ProQuad® with a hexavalent vaccine. The safety profile of concomitant ProQuad® and hexavalent vaccination was also in line with that of the individual Summaries of Product Characteristics.