on a nail (rusty or not) may result in a tetanus infection, as the low-oxygen (anaerobic) environment may exist under the skin, and the puncturing object can deliver endospores to a suitable environment for growth. It is a common misconception that rust itself is the cause; a related misconception is that a puncture from a rust-free nail is not a risk.

Pathophysiology

Tetanus neurotoxin (TeNT) binds to the presynaptic membrane

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