Saga Cruises will require proof of full vaccination before letting any holidaymakers on board when they re-start in May. They’ll be the first of many such organisations to do this I think. By the end of this year, I believe the anti-vaxxers and other fellow travelling, tinfoil-hat wearing nutters are going to start finding there are fewer and fewer places they’re welcome.
https://www.bbc.co.uk/news/business-55738918