Severe Symptoms Post-McDonald's - McDonald's, Goslar Niedersachsen

1 Peter-Henlein-Straße, Goslar, 38640 Niedersachsen, Germany

Suspected food poisoning. Symptoms: Diarrhoea, nausea, vomiting, fever, stomach pain, cramps, headache
Suspected source: McDonald's
Onset: Less than 4 hours
Duration: One week
Sick: 2 people
Additional information: We've never had anything so bad
We had arrived at home yesterday evening for now everything was okay but during the night it started vomiting and diarrhea my girlfriend had exactly the same two at the same time.
Endless abdominal pain ukd nausea | Symptoms: Diarrhea, Nausea, Fever, Vomiting, Cramps, Headache, Stomach Pain