Are Vaccines Required on Cruises 2021?

This question is specific to: Cruises

Celebrity Cruises Requirements: Adult guests and crew members must have proof of full vaccination administered two weeks prior to embark. Children under the age of 18 must have a negative PCR test result within 120 hours of embarkation. Celebrity will administer an antigen test to all guests 2 and older at the terminal and again at debarkation for county re-entry.

Royal Cruise Requirements: Adult guests and crew members must have proof of full vaccination administered two weeks prior to embark. Children under the age of 18 must have a negative PCR test result within 120 hours of embarkation.

MSC Cruise Requirements: pending

Virgin Voyages Cruise Requirements: pending