Travelers looking to book a cruise will no longer have to be fully vaccinated for COVID-19 on Norwegian Cruise Line (NCLH) as it has changed the requirements for boarding its ships. The cruise line announced changes to its COVID policies on Monday, with Frank Del Rio, president and CEO of Norwegian Cruise Line Holdings, saying in a statement that the decision would make "it simpler and easier for our loyal guests to cruise on our three best-in-class brands." Norwegian operates its namesake cruise brand as well as Oceania Cruises and Regent Seven Seas Cruises. Changes to the sailing requirements now...