Tetanus

Tetanus is caused by the Gram-positive, spore-forming, obligate anaerobe Clostridium tetani. This bacteria are found worldwide, distributed in the soil.

A painful and usually fatal disease, resulting generally from a wound, and having as its principal symptom persistent spasm of the voluntary muscles. When the muscles of the lower jaw are affected, it is called locked-jaw, or lickjaw, and it takes various names from the various incurvations of the body resulting from the spasm.
Prevention by immunization.