Cookie Illness: Shared Symptoms - Starbucks, Grenoble Auvergne-Rhône-Alpes

1 Place de la Gare, Grenoble, 38100 Auvergne-Rhône-Alpes, France

In the morning I bought and consumed two cookies, ate 1 and a half and give 1 half to my sister.
From the afternoon, severe abdominal pain + vomiting + nausea until night.
My sister had a hell of a night, it was the only common food eaten. | Symptoms: Nausea, Vomiting, Something else, Stomach Pain