| The increase in shellfish farming worldwide is leading to more reports of paralytic, diarrhetic, neurotoxic or amnesic shellfish poisoning. |
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| That was the first time in Quebec that a diarrhetic toxin had been detected in shellfish. |
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| This discovery added a new twist to the diarrhetic poisoning problem in the Magdalen Islands. |
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| In the Magdalen Islands, 20 people who had eaten mussels showed symptoms resembling those of diarrhetic shellfish poisoning. |
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| Seafood ingestion syndromes such as diarrhetic shellfish poisoning, ciguatera poisoning, and scombroid poisoning also can cause diarrhea in travelers. |
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| However, the discovery of Prorocentrum mexicanum at sample collection sites introduced a new element into the problem of diarrhetic poisoning in the Magdalen Islands. |
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