Onion Sandwich Illness Suspected - Subway, Laval Pays de la Loire

6 Rue du Val de Mayenne, Laval, 53000 Pays de la Loire, France

Suspicion of food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Fever, Stomach Pain, Headaches
Suspected source: Sandwich containing onion
Onset: immediately
Duration: Several days
Sick: 2 people | Symptoms: Diarrhea, Nausea, Fever, Vomiting, Headache, Stomach Pain