How effective is diphtheria vaccination, and how often are booster vaccines recommended?

Updated: Jan 18, 2019
  • Author: Bruce M Lo, MD, MBA, CPE, RDMS, FACEP, FAAEM, FACHE; Chief Editor: Jeter (Jay) Pritchard Taylor, III, MD  more...
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The widespread use of the diphtheria, tetanus toxoids, and acellular pertussis (DTaP) vaccine in childhood has significantly decreased the incidence of diphtheria. However, childhood immunity wanes, requiring an updated booster vaccine. The CDC recommends either DTaP, Tdap, or DT at least every 10 years to maintain immunity. [6]

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