They may be contaminated with high levels of paralytic shellfish poisoning, or PSP, a naturally occurring toxin produced by algae. Shellfish harvested from those areas during that period were ...

An "unprecedented" outbreak of shellfish poisoning has forced the authorities in Oregon to close the entire state's coastline to mussel harvesting. At least 20 people have been struck down with ...

causing what is known as paralytic shellfish poisoning. PSP attacks the nervous system and as little as one milligram is enough to kill an adult. The outbreak of PSP caught the government flatfooted.

Eastern Inshore Fisheries and Conservation Authority (EIFCA) said it was "highly likely" both dogs died from paralytic shellfish poisoning (PSP). EIFCA said there was no risk to people or pets ...

Eastern Inshore Fisheries and Conservation Authority (EIFCA) said it was "highly likely" both dogs died from paralytic shellfish poisoning (PSP). Tests will continue along the coastline until ...