What are the UK’s options for exiting the coronavirus lockdown?

Strategies could include mass testing, rolling on-off lockdowns and immunity passports

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Four days ago, Boris Johnson was heralding a ramp-up of testing as “the way through the coronavirus puzzle”. His health secretary, Matt Hancock, was even floating the idea of immunity passports for people who could be confirmed as having recovered from the virus, so that they could return to work.

But on Monday the government’s message was very different, following multiple reports that antibody tests were showing poor reliability. One government adviser, Prof Sir John Bell of Oxford University, said testing was at least a month away.

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