Food Safety Report: Walmart Supercenter, Fort Henry Drive, Kingsport, TN, USA 3 years ago • details 6 Comments Comment Suspected food poisoning. Symptoms: Diarrhea,Nausea,Vomiting,Stomach Pain,Chills,Headache Suspected source: iceberg lettuce Onset: 12 hours Duration: 2 days Sick: 1 Additional information: Lettuce was eaten the night of Dec 4, '22, nausea… See more