<s>[INST] My husband got poked by a piece of rusty barbed wire in the foot through his shoe.  It didn't go in too deep due to the shoe absorbing some of the wire but he does have a small piercing by his big toe.  Should he get a tetanus shot? Should we soak the foot in peroxide? [/INST] Hello Thanks for writing to HCMClostridium tetani spores can be found most commonly in soil, dust and manure, but also exist virtually anywhere.If deposited in a wound it causes tetanusWash the wound cleanly with soap water &Get a tetanus shot immediately Hope i have answered your query.Get well soon. </s>