Food Safety Report: Walmart Supercenter, Garland Groh Boulevard, Hagerstown, MD, USA 1 year ago • details 25 Suspected food poisoning. Symptoms: Nausea, Stomach Pain, Cramps, Headache Suspected source: Great Value sodium-free salt alternative Onset: 4 to 12 hours Duration: Several Weeks Sick: 2 people Additional information: We… See more