Tetanus
Tetanus is an infection caused by bacteria called Clostridium tetani. When the bacteria invade the body, they produce a poison (toxin) that causes painful muscle contractions. Another name for tetanus is "lockjaw" because it often causes a person's neck and jaw muscles to lock, making it hard to open the mouth or swallow. Vaccines are recommended for infants, children, teens and adults to prevent tetanus.
Last Updated: 12/22/2022
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