https://www.cruiseindustrynews.com/cruise-news/24606-here-are-the-cruise-lines-requiring-a-vaccine-so-far.html?fbclid=IwAR1Xnprj__vlVWWMKH0KU8HLDmatq-Js36pEu7kTqUH7D4XSR6DZZ8VFAs4 A number of cruise lines have announced plans to restart operations in the coming months, and some of those brands are requiring proof of a COVID-19 vaccine for passengers. Other brands are expected to follow suit but have not made announcements.  Cruise brands requiring the COVID-19 vaccine:  Saga Cruis