| | Botulism - Medical Encyclopedia (Site not responding. Last check: 2007-10-09) |
 | | Botulism is a rare but serious paralytic illness caused by a nerve toxin that is produced by the bacterium Clostridium botulinum. |
 | | This toxin is unstable to heating, or on prolonged exposure to oxygen, so poisoning generally occurs from the use of improperly bottled or canned foods: typical instances of botulism would be home-bottled preserves used in salads. |
 | | An unusual example of botulism occurred in Britain in the unusually hot, dry summer of 1976, when river levels dropped so low in some areas that feeding swans accidentally ingested material from anaerobic layers in a river (normally out of their reach), and were struck by botulism symptoms. |
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