No Refunds
During the booking process, there is an option to purchase insurance, but most people don’t. In the event that a passenger can no longer make their trip, they will lose their entire booking if they didn’t buy the insurance.
Breakouts On The Ship
Viruses and bacteria are everywhere and can spread easily if undetected. There was an instance where there was an outbreak of the food-borne virus called norovirus aboard a ship and it affected many passengers.