Explained: European COVID-19 travel certificate; US considers own vaccine passport
Authored By rustam
Published: Jun 08, 2021, 23:12 IST | Updated: Jun 08, 2021, 23:12 IST
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COVID certificate
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Digital green certificate
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Not a vaccine passport
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Linking up non-EU countries
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Immunity to Covid-19
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QR code for verification
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Affordable?
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