dtap-hib vaccine dtap-hib vaccine dtap-hib vaccine is a combination vaccine whose generic name is diphtheria and tetanus toxoids and acellular pertussis adsorbed with haemophilus b conjugate vaccine, sometimes abbreviated to dtap-hib. it protects against the infectious diseases diphtheria, tetanus, pertussis, and haemophilus influenzae type b. dtap-hib vaccinecombination ofdtap vaccinevaccinehib vaccinevaccineclinical datatrade namestrihibit, acthib with tripediaroutes ofadministrationintramuscular injectionatc codej07ag52 (who) identifierscas number1670254-07-5 a branded formulation was marketed in the us as trihibit by sanofi pasteur, and administered by using the sanofi dtap vaccine tripedia to reconstitute the sanofi hib vaccine acthib. trihibit and tripedia were discontinued in 2011. the current sanofi dtap formulation is daptacel.