short by one day. Sick passengers are being asked to stay in their cabins, while staff disinfect public areas such as restrooms and elevators. The decision to cut the trip short was made based on forecasts for heavy fog, not the outbreak, Benson said. CNN first learned of the stricken Princess ship from a Twitter post by the Houston Chronicle. Royal Caribbean cruise ship returns home - with a sickness record CNN's Miriam Falco contributed to this report.