As countries emerge from lockdowns imposed to blunt the coronavirus pandemic, dozens have rolled out phone apps to track a person’s movements and who they come into contact with, giving officials a vital tool for limiting contagion risks. The technology could…

Virus tracing apps: Which countries are doing what

The technology could help avert new surges in COVID-19 infections that might overwhelm hospitals battling an outbreak that has killed more than 350,000 people worldwide in just six months. While man… [+6968 chars]

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