- diphtheria, pertussis, and tetanus: a mixed vaccine of formalin-inactivated diphtheria and tetanus toxoids and pertussis vaccine, used for primary immunization.
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- Variant of DTP vaccine.
- A combination vaccine administered intramuscularly to immunize children against diphtheria, tetanus, and pertussis infections. It consists of diphtheria and tetanus toxoids and pertussis vaccine, which contains inactivated parts of the bacterium Bordetella pertussis.
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