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Picture taken on July 10, 2020 shows a Covid-19 passport printed from a website in Copenhagen, on July 10, 2020. - With the new Covid-19 passport issued be the Danish authorities, Danes now have official documentation for testing on their travels abroad. (Photo by Ida Marie Odgaard / Ritzau Scanpix / AFP) / Denmark OUT (Photo by IDA MARIE ODGAARD/Ritzau Scanpix/AFP via Getty Images)

Picture taken on July 10, 2020 shows a Covid-19 passport printed from a website in Copenhagen, on July 10, 2020. - With the new Covid-19 passport issued be the Danish authorities, Danes now have official documentation for testing on their travels abroad. (Photo by Ida Marie Odgaard / Ritzau Scanpix / AFP) / Denmark OUT (Photo by IDA MARIE ODGAARD/Ritzau Scanpix/AFP via Getty Images)