Food Safety Report: Costco Wholesale, Lindero Canyon Road, Westlake Village, CA, USA 1 year ago • details 45 Comments Comment Suspected food poisoning. Symptoms: Nausea, Chills, Headache Suspected source: I ate seaweed salad for dinner Onset: Right away Duration: 12 to 24 hours Sick: Me Additional information: I had dizziness and fainting issues all over