"Two fellows die of tetanus. Their skin turns pale, their limbs stiffen"
Public DomainTetanus - Credit: Sir Charles Bell

Tetanus  is a medical condition characterized by the contraction of skeletal muscle fibers. This is caused by a neurotoxin produced by the bacterium Clostridium tetani. Infection generally occurs through wound contamination, and often involves a cut or deep puncture wound. As the infection progresses, muscle spasms develop in the jaw (hence the name "lockjaw") and elsewhere in the body.