(Source: BBC News)
A coronavirus app that alerts people if they have recently been in contact with someone testing positive for the virus "could play a critical role" in limiting lockdowns, scientists advising the government have said.
The location-tracking tech would enable a week's worth of manual detective work to be done in an instant, they say. But the academics say no-one should be forced to enroll - at least initially.
UK health chiefs have confirmed they are exploring the idea.
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