Why coronavirus contact-tracing apps aren’t yet the ‘game changer’ authorities hoped they’d be

CNBC July 3, 2020
Ryan Browne

Key Points

– Contact-tracing apps alert people who’ve come into close proximity with someone who has tested positive for Covid-19.

– The apps have faced setbacks, not least because some countries refused to adopt tools created by Apple and Google.

– But though the rollout of such apps has gotten off to a rocky start, researchers think they’re still worth pursuing.

Coronavirus contact-tracing apps were meant to play a significant role in how some countries dealt with the spread of the disease. But so far, they’ve had a limited impact.

The apps alert people who come into close proximity with someone who has tested positive for Covid-19, the idea being that the “contacts” of that sufferer would then get tested...

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