'Major outbreak' on UK cruise ship as 200 passengers struck by serious sickness bugGuests onboard Fred Olsen's The Balmoral reported the outbreakView 2 Images The company has confirmed cases of a 'stomach flu' on the Fred Olsen Balmoral (Image: Newcastle Chronicle)Passengers on a cruise ship have fallen ill as 'hundreds' are hit by a serious stomach bug. The Scottish cruise ship was due to dock in Lerwick, Shetland, on Tuesday (January 7), but stormy weather meant the visit was cancelled. ‌However, guests onboard Fred Olsen's The Balmoral reported an outbreak of gastroenteritis, commonly known as the 'stomach flu'. ‌Some passengers were forced into isolation as a result of the outbreak, the Daily Record reports . Fred Olsen Cruises said the forecast made docking unsafe.