noted abdominal cramps, nausea, vomiting and anorexia Medications: asparin and large quantities of antacids Epidemioly: Her son had brought her an egg salad sandwich, which they shared 16 hours before onset of the illness. her son also has severe diarrhea Physical examination: T 39 C, BP70/50 mm Hg, P 120/min, R 20/min moderately ill-appearing with dry mucous membranes and a dry fissured tongue Abdomenal exam revealed hyperactive bowel sounds and mild diffuse tenderness No skin /esions were seen• noted abdominal cramps, nausea, vomiting, and anorexia. • Medications: asparin and large quantities of antacids. • Epidemioly: Her son had brought her an egg salad sandwich, which they shared 16 hours before onset of the illness. Her son also has severe diarrhea. • Physical examination: T 39℃, BP70/50 mm Hg, P 120/min,R 20/min • moderately ill-appearing, with dry mucous membranes and a dry, fissured tongue. Abdomenal exam revealed hyperactive bowel sounds and mild diffuse tenderness • No skin lesions were seen. 9