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What is tetanus?

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Tetanus is a dangerous nerve ailment caused by the toxin of a common bacterium, Clostridium tetani. If the bacterial spores enter a wound that penetrates the skin and is deep enough, they germinate and make a toxin that enters the bloodstream.

SOURCES: CDC: "Tetanus (Lockjaw) Vaccination." National Network For Immunization Information: "Diphtheria, Tetanus, Pertussis (DTaP)."  MedlinePlus: "Tetanus." National Association for Infectious Diseases: "Tetanus (Lockjaw)."



Reviewed by Nayana Ambardekar on April 2, 2019

SOURCES: CDC: "Tetanus (Lockjaw) Vaccination." National Network For Immunization Information: "Diphtheria, Tetanus, Pertussis (DTaP)."  MedlinePlus: "Tetanus." National Association for Infectious Diseases: "Tetanus (Lockjaw)."



Reviewed by Nayana Ambardekar on April 2, 2019

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