Published online by Cambridge University Press: 05 February 2014
Unintended intoxication with botulinum neurotoxin (botulism) occurs only rarely, but its high fatality rate makes it a great concern for the general public and the medical community. In the USA, an average of 110 cases of botulism are reported each year. Of these, approximately 25% are food borne, 72% are infant botulism and the rest are wound botulism. Outbreaks of food-borne botulism involving two or more persons occur most years and are usually caused by eating contaminated home-canned foods.
Botulism in ancient times
Botulinum neurotoxin poisoning probably has afflicted humankind through the mists of time. As long as humans have preserved and stored food, some of the chosen conditions would be optimal for the presence and growth of the toxin-producing pathogen Clostridium botulinum: for example, the storage of ham in barrels of brine, poorly dried and stored herring, trout packed to ferment in willow baskets, sturgeon roe not yet salted and piled in heaps on old horsehides, lightly smoked fish or ham in poorly heated smoking chambers and insufficiently boiled blood sausages.
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