[DuncanWaring]

A real vaccine gives you life-long protection.

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Not necessarily; tetanus has to be redone every five to ten years.

[HandBasketHell]

A real vaccine gives you life-long protection.

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Not necessarily; tetanus has to be redone every five to ten years.

I've never heard it called a vaccine. It was always a 'tetanus shot.' For that reason, I've never thought of it as a vaccine.

[Greg67]

Tetanus is not a vaccine. Is a toxin/antitoxin mix. It has no attenuated or or dead bacteria in it.