Cruise News Briefing - March 17, 2021. Norwegian Cruise Line Holdings has canceled cruises through June 2021 for Norwegian, Oceania, and Regent Seven Seas Cruises. Virgin Voyages will be requiring both crew and passenger COVID-19 vaccinations to cruise. Princess Cruises and Holland America Line have canceled more Alaska cruises in summer 2021. Cruise stocks down for CCL, NCLH, and RCL.
