Four ill with sepsis after food poisoning outbreak at Stockholm restaurantPeople became infected with listeria after dining at Coco & Carmen, which has temporarily closedIt is rare for food contaminated by listeria, a bacterium, to cause a very serious infection, known as listeriosis. Most of the dozens affected are not seriously ill, officials in Stockholm say, and so far none of those admitted to hospital have required intensive care. Four people been diagnosed with sepsis after eating at a luxury restaurant in Stockholm that has been linked to a suspected listeria outbreak. As of Thursday evening, 85 people have complained of having food poisoning after dining at the restaurant with a city tracking tool, officials said. The restaurant said in a statement that it had always passed food safety inspections and was co-operating with the authorities.