Four key questions on a Covid certification scheme in England – The Guardian

The idea of vaccine certificates has gained traction in England, as the government weighs their potential usefulness in reopening sectors of society against concerns about privacy and discrimination.
As ministers prepare to launch a review into whether to introduce the documents, here are the key questions to be answered.
What might they look like?
It is still very early days, with the prime minister, Boris Johnson, only announcing on Monday that the certificates are being considered, after months…

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