Paralytic shellfish poisoning occurs when humans eat shellfish that have fed on

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Paralytic shellfish poisoning is caused by the consumption of shellfish that have fed on certain types of marine algae, particularly species of the genus Gonyaulax. These algae produce saxitoxin, a potent neurotoxin that can accumulate in shellfish and cause symptoms such as numbness, tingling, and paralysis in humans who consume them. Salmonella, Vibrio cholerae, and E.coli are all bacteria that can cause foodborne illness, but they are not associated with paralytic shellfish poisoning.

Paralytic Shellfish Poisoning Occurs When Humans Eat Shellfish That Have