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  2. FDA issues warning over oysters contaminated with paralytic ...

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    Paralytic shellfish poisoning, or PSP, happens after consuming shellfish contaminated with saxitoxin, which can cause gastrointestinal distress, neurological symptoms, and a sensation of ...

  3. FDA warns businesses not to sell, customers not to eat ... - AOL

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    PSP is the most common and severe form of shellfish poisoning and is caused by neurotoxins, called saxitoxins or paralytic shellfish toxins, that are naturally produced by marine algae, called ...

  4. Things to know about FDA warning on paralytic shellfish ...

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    The U.S. Food and Drug Administration says consumers should avoid eating shellfish from Oregon and Washington state as they may be contaminated with toxins that cause paralytic shellfish poisoning ...

  5. Paralytic shellfish poisoning - Wikipedia

    en.wikipedia.org/wiki/Paralytic_shellfish_poisoning

    Paralytic shellfish poisoning (PSP) is one of the four recognized syndromes of shellfish poisoning, which share some common features and are primarily associated with bivalve mollusks (such as mussels, clams, oysters and scallops).

  6. Things to know about FDA warning on paralytic shellfish ...

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    Since then, a paralytic shellfish poisoning outbreak has sickened at least 31 people in Oregon, according to the Oregon Health Authority. The agency has asked people who have harvested or eaten Oregon shellfish since May 13 to fill out a survey intended to help investigators identify the cause of the outbreak and the number of people sickened.

  7. Saxitoxin - Wikipedia

    en.wikipedia.org/wiki/Saxitoxin

    Saxitoxin (STX) is a potent neurotoxin and the best-known paralytic shellfish toxin. Ingestion of saxitoxin by humans, usually by consumption of shellfish contaminated by toxic algal blooms, is responsible for the illness known as paralytic shellfish poisoning (PSP).

  8. Alexandrium catenella - Wikipedia

    en.wikipedia.org/wiki/Alexandrium_catenella

    It is among the group of Alexandrium species that produce toxins that cause paralytic shellfish poisoning, and is a cause of red tide. [2] Alexandrium catenella is observed in cold, coastal waters, generally at temperate latitudes. [3] These organisms have been found in the west coast of North America, Japan, Australia, and parts of South Africa.

  9. Gonyautoxin - Wikipedia

    en.wikipedia.org/wiki/Gonyautoxin

    Like every saxitoxin, the gonyautoxins are neurotoxins and cause a disease known as paralytic shellfish poisoning (PSP). [3] For humans a dose of 1–4 mg of these toxins is already lethal. Shellfish can contain more than 10 micrograms of gonyautoxin per 100 gram weight, inducing that the consumption of a few mussels can already be fatal for ...