Four people been diagnosed with sepsis after eating at a luxury restaurant in Stockholm that has been linked to a suspected listeria outbreak. Health authorities say at least 15 people have been treated or are under observation in hospital after dining at Coco & Carmen, a high-end venue in the Swedish capital's Östermalm district. 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. It is rare