Food Safety Report: Safeway, California 4, Discovery Bay, CA, USA 3 years ago • details 2 Comments Comment Suspected food poisoning. Symptoms: Diarrhea,Nausea,Vomiting,Stomach Pain,Cramps,Chills,Headache Suspected source: Grapes Onset: 2 hours Duration: 24 hours Sick: 1 Additional information: I'm really sick