Plans for coronavirus immunity passports should worry us all

If you’ve had Covid-19, an immunity passport could be your ticket out of lockdown — but even companies designing such systems aren’t sure it’s an idea that will or should ever be widely used.

An immunity passport or health certificate is a way of proving to others — your boss, an airline, or a bouncer at a bar — that you have antibodies against the coronavirus that causes Covid-19. It could be a piece of paper, a QR code or a colour code on an app, but regardless of the format, it aims to show you aren’t at risk of

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Coronavirus contact tracing apps were meant to save us. They won’t

When you’re in the supermarket queue in January 2021 – socially distanced from those around you by two metres – and the phone in your pocket buzzes with a notification from the contact tracing app you installed six months ago, the routine will be familiar. After all, you have been through the process multiple times already.

Someone you crossed paths with last week – the app doesn’t tell you who – has tested positive for coronavirus. It tells you to go home straight away. You must self-isolate until a test has been completed. The test, as with those before

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