Dataset from Open, Randomized, Phase II, Clinical Trial to Compare the Immunogenicity and Safety of a Booster Dose of GSK Biologicals' DTaP-IPV Vaccine (Infanrix®-IPV) Co-administered With a Booster Dose of Merck and Company's M-M-R®II, to That of Separate Injections of GSK Biologicals' DTaP Vaccine (Infanrix®), Aventis Pasteur's IPV (IPOL®) and M-M-R®II Administered as Booster Doses to Healthy Children 4 to 6 Years of Age.

The aims of this study are to compare the immunogenicity and safety of the GSK Biologicals' combined DTaP-IPV vaccine with separate administration of DTaP and IPV vaccines, when administered as a fifth dose of acellular pertussis vaccine to children aged 4 to 6 years when co-administered with MMR vaccine in subjects who had previously received four doses of Infanrix, three doses of poliovirus-containing vaccine and MMR vaccination.