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definitions
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diphtheria, tetanus toxoids, and pertussis vaccine

n.
  1. A vaccine available in three forms: diphtheria and tetanus toxoids plus pertussis vaccine; tetanus-diphtheria toxoids, adult type; and tetanus toxoids; used for active immunization against diphtheria, tetanus, and whooping cough.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.