Leading 20 Nations Set to Back Efforts for Vaccine
Passports
https://www.bloomberg.com/news/articles/2021-05-04/leading-20-nations-set-to-back-efforts-for-vaccine-passports
https://www.bloomberg.com/news/articles/2021-05-04/leading-20-nations-set-to-back-efforts-for-vaccine-passports
The Dream: International Travel. The Reality: Chaos
and Confusion.
https://www.nytimes.com/2021/05/05/travel/covid-vaccinated-travel-reality.html
https://www.nytimes.com/2021/05/05/travel/covid-vaccinated-travel-reality.html