what is paralytic shellfish poisoning
DOH 332-058 October 2013 Paralytic Shellfish Poisoning (âred tideâ) What is paralytic shellfish poisoning? Paralytic shellfish poisoning (PSP) is a serious illness caused by eating shellfish contaminated with algae that contains a toxin harmful to humans.OH 332-058 October 2013 Paralytic Shellfish Poisoning (âred tideâ) What is paralytic shellfish poisoning? Paralytic shellfish poisoning (PSP) is a serious illness caused by eating shellfish contaminated with algae that contains a toxin harmful to humans.