Fast Food Illness Outbreak - McDonald's,

1 pm ate french fries & quarter pounder with cheese 6 pm knot in belly & headache 7 pm diarrhea began & continued for 7 hours 9 pm vomiting began for next 3 days fever & headache, general malaise | Symptoms: Diarrhea, Fever, Nausea, Vomiting, Headache