Fig. 1From: Immunogenicity of a new enhanced tetanus-reduced dose diphtheria-acellular pertussis (Tdap) vaccine against Bordetella pertussis in a murine modelSchemes for vaccination, challenge and assay of study (DTaP = diphtheria-tetanus-acellular pertussis, Tdap = tetanus-reduced dose diphtheria-acellular pertussis)Back to article page