Food Safety Report: Panera, Charlotte Douglas International Airport (CLT), Josh Birmingham Parkway, Charlotte, NC, USA 1 year ago • details 10 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Vomiting, Headache Suspected source: Food from Panera Onset: 4 to 12 hours Duration: 12 to 24 hours Sick: 2 people