Food Safety Report: Super Duper Burgers, Mission Street, San Francisco, CA, USA 1 year ago • details 483 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps, Chills Suspected source: Cheeseburger Onset: 4 to 12 hours Duration: 12 to 24 hours Sick: Me Additional information: I had… See more