Some major cruise companies are advertising summer departures that will only be open to passengers able to prove they've had a full complement of vaccines. "Most of us won't have been inoculated by the summer so that means we can't travel or possibly go to bars or restaurants. The idea of immunity passports has been debated amongst European countries since the start of the pandemic. But critics warn such passports could be discriminatory and could affect people's right to keep their medical data private. Winners and losersIsrael's "green pass" digital vaccination certificate is being used to allow venues and events to reopen.

Source: CNN March 21, 2021 09:33 UTC