The Centers for Disease Control and Prevention extended a “no sail order” for all cruise ships. In recent weeks, at least 10 cruise ships reported crew or passengers that tested positive or experienced respiratory symptoms or flu-like illness. There are about 100 cruise ships idling in the Atlantic, Pacific or Gulf Of Mexico, either in port or offshore. Some of those ships, from Carnival and Norwegian Cruise Lines, have docked in Jacksonville over the past few weeks. “There will be changes, there may be reduced sailings, but the cruise industry will continue to be vibrant.