Outbreak of salmonellosis on a ferry between Sweden and Poland

During the weekend of 5-7 April, a Chinese style buffet was served to passengers booked on a cruise on the ferry M/S Polonia, which sails a regular route between Sweden and Poland. After the cruise, several of the passengers reported having fallen ill. Around 800 Swedish passengers travelled on the cruise, and to date there have been reports of 352 laboratory verified cases of salmonellosis in people who were on the ferry on 5-7 April.