Currently, among the most affected nations are the US (30 million infected, 549,000 deaths), Brazil (12.5 million cases and a death toll of over 312,000) and India (11.9 million cases, 161,000 fatalities).
While the Joe Biden administration is reportedly working to develop 'vaccine passports' for Americans, similar documents will be available in the European Union within the next two to three months in digital or paper form, the EU commissioner in charge of vaccines, Thierry Breton, said.
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