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Botulism is a rare but serious paralytic illness caused by a nerve toxin that is produced by the bacterium Clostridium botulinum and sometimes by strains of Clostridium butyricum and Clostridium baratii.

Spotlight

In 2015, improperly home-canned potatoes were implicated in the largest U.S. botulism outbreak in nearly 40 years.

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