A member asked:

Are tetanus shots 100% affective even if the last one was 3 years ago and you stood on a rusty nail (which didn't bleed)?

A doctor has provided 1 answer

Not 100%: No vaccine by itself is 100%, but the tetanus vaccine is one of the most effective shots we give. If you had one 3 years ago, you should be well protected for tetanus. If you are freaking out though, it does not hurt you in any way to get a booster at 3 years to be maximally sure, but it is probably overkill. Keep the wound clean and monitor closely.

Answered 10/4/2016

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