Marketplace Tech

Can tech trace the spread of coronavirus? Maybe. Maybe not.


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When someone tests positive for COVID-19, one way to try to prevent its spread is for public health officials to track down all the people that person has been in contact with and then isolate them. This is called contact tracing, and the U.S. hasn’t done a great job of it so far. Now Big Tech wants to get involved. Apple and Google announced a program where they allow people who’ve tested positive for the virus to tell an app, which then alerts people nearby via Bluetooth technology. Will it work? “Marketplace Tech” host Molly Wood discusses that with Ross Anderson, a professor of security engineering at the University of Cambridge.

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Marketplace TechBy Marketplace

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