A member asked:

When i should repeat inj tetanus toxoid ?

A doctor has provided 1 answer

Protection wears off: The protection provided by a tetanus shot usually provides ample levels of circulating antibody protection for up to ten years. After that point it fades & the person may develop tetanus if exposed. Protection from tetanus & several other bacteria based vaccines does not last as long as most viral vaccines & must be boosted periodically to maintain protection.

Answered 12/10/2013

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