Norwegian Cruise Line cancels all trips through May 31

The CDC’s new cruising guidelines say that in order to resume carrying passengers, the companies have to demonstrate they have procedures for testing, quarantining and isolating passengers and crew. They will have to build test labs on all ships and make their own arrangements to isolate or quarantine passengers on shore, if needed. Before being allowed to sail, they will have to conduct mock voyages with volunteers playing passengers who get sick, the CDC said.