In the mass of news reports coming out in recent weeks, it’s easy to lose track of what cruise line requires a vaccination or which does not. The three biggest cruise lines have been busy ironing out their vaccination requirements. Yet, Carnival Cruise Line, Royal Caribbean, and Norwegian Cruise Line all have different mandates. There are even requirements for different ships sailing in different regions of the United States and worldwide. We shed light on what each cruise line requires and which ships do or do not require a mandatory vaccination to be able to sail onboard. Carnival Cruise Line...