My wife had her first meal of the day at 7;00 pm at truets grill, which is a chick-fil-a named after the man who started chick-fil-a, due to a busy work day. Around 10;00 that night she started feeling a little nauseous and by 11:00 she was throwing and had diarrhea. She ate a chicken sandwich and a side salad with house salad dressing. I think she got it from the salad dressing, because theres no date on their package. I believe house dressing is only available at the dwarf house and truets grill stores of chick-fil-a. Can't proof it was the dressing, but if its not dated you may not want to eat it.