Illness began with fever 100 to 102 first 24 hours, no headache, pain, stomach ache or muscle aches. Then diarrhea began and up and down fever continued, no belly tenderness. Fourth day went to Dr. and gave stool sample. No results yet. Fifth day, diarrhea less explosive and out of control, temperature between 98 and 99.5. Exposure to many people and store bought prepared food. What could it be? Dr. gave no opinion.