Food Safety Report: Seaweed salad, Costco Wholesale, Anaquod Road, Regina, SK, Canada 1 year ago • details 57 Suspected food poisoning. Symptoms: Nausea, Vomiting, Fever, Stomach Pain, Cramps, Chills Suspected source: Seaweed salad Onset: 4 to 12 hours Duration: Less than 4 hours Sick: Me