DPT

vaccine

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Last updated

June 25, 2026

Quick Summary

The DPT vaccine is a combination vaccine that protects against three serious infectious diseases: diphtheria, pertussis (whooping cough), and tetanus. Diphtheria is a bacterial infection that can cause severe respiratory problems and heart damage. Pertussis is a highly contagious respiratory illness characterized by severe coughing fits. Tetanus, also known as lockjaw, is a bacterial infection that affects the nervous system, leading to muscle spasms and stiffness.123

The DPT vaccine has been instrumental in significantly reducing the incidence of these diseases worldwide. While early versions of the vaccine had some side effects, newer formulations have been developed to minimize these risks, making it a generally safe and effective immunization for young children.123

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infectious disease
Diphtheria toxoid
… toxoid and pertussis vaccine (DPT), combined with tetanus toxoid alone (DT), and combined with tetanus toxoid for adults (Td). The Td preparation contains only 15 to 20 percent of the diphtheria toxoid present in the DPT vaccine and is more suitable for use in older children and adults.
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… toxoid and pertussis vaccine (DPT), combined with tetanus toxoid alone (DT), and combined with tetanus toxoid for adults (Td). The Td preparation contains only 15 to 20 percent of the diphtheria toxoid present in the DPT vaccine and is more suitable for use in older children and adults.
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