Food Safety Report: Bob's Big Boy, Corbin Avenue, Northridge, CA, USA 3 years ago • details 43 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Headache Suspected source: E-coli Onset: 1 to 2 days Duration: 12 to 24 hours Sick: 2 people Additional information: Both my husband and I got sick one day after eating beef at this restaurant.