Cruise News Today — August 16, 2022. In the footsteps of other Carnival Corporation brands like Holland America Line, Princess, and Carnival, Seabourn announced vaccination and testing protocol changes that go into effect on September 6. Carnival Cruise Line has detailed some of the relaxation spaces found in the upcoming Carnival Celebration, including the Clouds 9 Spa and Loft 19 exclusive area. Royal Caribbean’s Spectrum of the Seas celebrates its return to Malaysia after sailing cruises to nowhere since the restart. Cruise line stocks were flat for CCL, RCL, and NCLH.