Safety and immunogenicity of a diphtheria, tetanus, acellular pertussis and Haemophilus influenzae Type b combination vaccine compared with separate administration of licensed equivalent vaccines in Chinese infants and toddlers for primary and booster immunization

Abstract To evaluate the safety and immunogenicity of a diphtheria, tetanus, acellular pertussis and Haemophilus infuenzae Type b (DTaP/Hib) combination vaccine first developed by a Chinese manufacturer, a randomized, two-stage, parallel controlled, single center clinical trial was conducted in Dafe...

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