Food Safety Report: Five Guys Freiburg Kaiser-Joseph-Strasse, Kaiser-Joseph-Strasse, Freiburg im Breisgau, Germany 2 years ago • details 15 Comments Comment Suspected food poisoning. Symptoms: diarrhea, fever, stomach pain, cramps, chills, headache Suspected source: Not sure Onset: Less than 4 hours Duration: A few days Sick: I