Outbreak of Salmonella Singapore associated with eating sushi.

Telephone interviews were initially conducted for fi ve cases using a hypothesis-generating questionnaire. These interviews revealed that all fi ve cases worked in the Brisbane Central Business District (CBD) and had eaten takeaway sushi as a lunch meal in the fi ve days prior to their illness. Four cases reported eating takeaway sushi rolls from the same sushi takeaway outlet (outlet A) and one case from a different sushi outlet in the Brisbane CBD (outlet B).