what organism causes tetanus
Knowledge center. Tetanus (or lockjaw) is a serious infection caused by Clostridium tetani bacteria which produce a toxin that affects the brain and nervous system.The toxin leads to stiffness in the jaw muscles as well as other muscles.hen Clostridium tetani enter the body they multiply rapidly and release tetanospasmin, a neurotoxin (poison that affects the nervous system). When tetanospasmin enters the bloodstream it rapidly spreads around the body, causing tetanus symptoms.