Is it worth sacrificing privacy to stop coronavirus?

The coronavirus pandemic has led governments around the world to employ every possible resource to stem the spread of the virus. Those efforts can only go so far, however, before they come up against limitations.

One of the barriers is privacy. Some experts see opportunities to use technology to track and potentially control the outbreak, but doing so could mean breaking existing legal and social privacy restrictions.

One of the most effective tools could be location data from phones. The simplest proposed application is to use anonymous data...