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  1. Dhrupthob Sonam
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  3. vendredi 24 août 2018

1. How many doses (maximum) of tetanus doses is required in a ilfe time? 2. Is there a booster dose? 3. How many doses of tetanus is required after a cut injury? 

With regards 

Dr. Dhrupthob Sonam

Stephanie Shendale Réponse acceptée

Dear Dr Dhrupthob,

Just to add to Dr. Yakubu's thorough response above:

In the case of an injury, if the injury is severe or the patient’s previous tetanus immunization history is unknown, physicians may still give a dose of TTCV (preferably Td).  In these cases where a person's vaccination status is incomplete or unreliable, it is recommended that they return to complete the full schedule (as described above), to ensure lifelong protection.



  1. il y a plus d'un mois
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Ahmadu Yakubu Réponse acceptée

Dear Dr Dhrupthob,

Please refer to additional information on tetanus vaccine in the link WHO Position Paper on Tetanus Vaccine for detailed response to your question, but in summary:


  • WHO proposes 6 doses of tetanus toxoid containing vaccines (TTCV) when started from infancy. These include the 3 DTP/Penta doses given at 6, 10 and 14 weeks by most countries, then the first booster dose at the second year of life, second booster dose from 4-7 years of age and the third booster dose from 9-15 years of age.
  • For those first exposed to the vaccine as adolescents or adults with no reliable record of being vaccinated early in life, the WHO recommendation is for 5 doses - first dose at first contact, second dose at-least 4 weeks later, third dose at-least 6 months after the second dose, fourth dose at-least 1 year after the third dose, and fifth dose at-least 1 year after the fourth dose.

Ideally the dosage of tetanus vaccine that may be required after an injury will depend on the person's immunization status. A person who has received the required doses (fully vaccinated) dose not need to be vaccinated. With the understanding that one dose of TTCV only primes the system and immunity is only conferred after the second and subsequent doses, you can see that even for the person who is not fully vaccinated giving a dose at the time of injury is only going to be useful against the next injury as it takes around 12 days for the vaccine to confer immunity after the last dose in a primed person (who has taken only one dose) or in the person who was previously protected but has lost the protected due to too long interval between the doses.

I hope this is helpful.

Best regards,



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Dr. Chandralal Mongar Réponse acceptée

Thanks Dr. Dhrupthob for the post. These questions have puzzled us for quite long. We have not been able to find appropriate answers so far. Appreciate, if experts could throw light to address this confusion.

Best regards,


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