Safety and Immunogenicity of DTaP-IPV/Hib Pentavalent Vaccine in Chinese 2-month-old Infants

"The test vaccine in this study was Pentaxim®, a pentavalent vaccine produced by Sanofi Pasteur, France.This vaccine is a combination vaccine consisting of adsorbed acellular DTP and inactivated polio vaccine (DTaP-IPV) and Haemophilus influenzae type b conjugate vaccine (Hib).~1. Intervention group: 1 dose of experimental vaccine at 2, 4 and 6 months of age, and 1 dose of enhanced vaccine at 18 months of age.~2. Control group: 1 dose of experimental vaccine at 2, 3 and 4 months of age, and 1 dose of enhanced vaccine at 18 months of age."