Let's look at the global statistics
Global infections: 114,751,575
Nations with most cases: US (28,719,624), India (11,139,516), Brazil (10,646,926), Russia (4,220,291), United Kingdom (4,200,700).
Vaccine Passports: Covid’s next political flash point
The next big flash point for governments in response to the coronavirus is vaccine passports. This debate has already triggered cries of tyranny and discrimination in Britain, protests in Denmark, digital disinformation in the United States and geopolitical skirmishing within the European Union. Vaccine passports are proof of immunity that governments issue to citizens so that they can travel without any restrictions. The idea is to allow families to reunite, economies to restart and hundreds of millions of people who have received a shot to return to a degree of normalcy. However, given the sharp divide between rich and poor nations, it is inevitable that most in the rich world will be vaccinated and can travel free. On the other hand, the poorer countries will need to tighten curbs as they fall behind in inoculations. Dividing the world between the vaccinated and unvaccinated raises daunting political and ethical questions.
Read here