Oyster Illness: Severe Symptoms - Alcampo, Sant Boi de Llobregat Catalunya

6-12 Carrer de les Alberedes, Sant Boi de Llobregat, 08830 Catalunya, Spain

I had oysters bought at Alcampo de Sant Boi for dinner, they were in a box from the Delta del Ebre. I spent the whole night from Sunday to Monday with diarrhea, vomiting, nausea, severe pain in my abdomen... Today Monday I couldn't go to work, I'm in bed, totally unwell.
.Start of the night Sunday to Monday | Symptoms: Nausea, Diarrhea, Vomiting, Stomach Pain, Fever, Cramps, Chills