NCT01978093 - Immunogenicity, Safety and Reactogenicity Study of GlaxoSmithKline (GSK) Biologicals' Hib-MenCY-TT (MenHibrix®) Vaccine Compared to Merck & Co, Inc. PedvaxHIB Vaccine in Healthy Infants and Toddlers 12 to 15 Months of Age | Crick | Crick