Cruise News Briefing - August 23, 2021. Carnival Cruise Line has made a policy change through the end of October that all guests 12+ need to be fully vaccinated before sailing. Royal Caribbean Oasis of the Seas sailed on its first simulated voyage from the NYC metro area on Sunday. Carnival Panorama is the first cruise to sail from the state of California and the port of Long Beach in 17 months. Cruise line stocks were up for CCL, RCL, and NCLH.