dpt

abbreviation

1. department

2. deponent

3. depth

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diphtheria, pertussis, and tetanus: a mixed vaccine of formalin-inactivated diphtheria and tetanus toxoids and pertussis vaccine, used for primary immunization.

Also, DTP.

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abbrev

Diphtheria, pertussis and tetanus (vaccine)

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dpt.,

1. department.

2. deponent.

DPT (no periods),

Diphtheria, Pertussis (whooping cough), Tetanus. The serums for these three diseases are combined into one injection administered three times.

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(also DTP) abbr. diphtheria, pertussis (whooping cough), and tetanus, a combined vaccine given to small children