What are Covid-status certificates and how might they work?

Domestic vaccine passports could be used to help the UK economy reopen, but a broad coalition of MPs are opposed to the idea

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After months of speculation regarding whether Covid-status certificates - domestic vaccine passports - will come into force in the UK, it appears that the government is taking steps to draw up a scheme. An official document published on Monday states a commitment to examining whether and how Covid-status certification might be used to reopen our economy, reduce restrictions on social contact and improve safety".