Undercooked Burger Illness - Five Guys, Hamburg Hamburg

1 Millerntorplatz, Hamburg, 20359 Hamburg, Germany

I had a double hamburger, just before closing time the meat wasn't completely done but I didn't think it would be such a problem, for 12 hours with severe vomiting, hydration not possible at all!
And any other symptoms of poisoning | Symptoms: Nausea, Diarrhea, Vomiting, Stomach Pain, Cramps, Chills