8yr old female patient admitted for unexplained rigid paraly…

8yr old female patient admitted for unexplained rigid paralysis of muscles. During discussion of patient history, the parents disclosed that the child has not received vaccinations but copious amount of vitamins on a daily basis. The child had just returned from visiting family where she did sustain an unusual injury. They had been playing in nearby woods barefoot where she stepped on old board with a nail. An antitoxin, antibacterial, and muscle relaxers are administered to the child. The disease is caused by what bacterium? [BLANK-1]