DeadFyre t1_j2dqe3w wrote
Reply to comment by ivthreadp110 in ELI5: What makes the rust on a rusty nail different from the rust on shaving razors to where one needs an immediate tetanus shot and the other happens daily by DrySyllabub2563
Specifically, the bacteria Clostridium tetani. It's a benign bacteria which lives in the soil, or in the gut of animals. It's just that inside the bloodstream, in hypoxic conditions, they can produce a toxin.
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