The invention of the tetanus vaccine.

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Tetanus is a rare but often fatal disease that affects the central nervous system by causing painful muscle contractions. It begins when the bacterium Clostridium tetani enters the body, usually through a wound or cut exposed to contaminated soil. Tetanus is easily preventable through vaccination.


In 1890, the German physiologist Emil Adolf Behring and the Japanese scientist Kitasato Shibasaburō invented the tetanus vaccine (called a toxoid in this case) by extracting the serum from rabbits that were immune to the tetanus toxin (as they had the tetanus antitoxin) and injecting it into animals who were infected with tetanus. This invention is similar to the diphtheria vaccine as discussed in an earlier post.


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  • And here is one of Kitasato Shibasaburō:

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