The EU has agreed on a set of technical specifications for interoperability of contract tracing apps across European nations (Christine Fisher/Engadget)

Christine Fisher / Engadget: The EU has agreed on a set of technical specifications for interoperability of contract tracing apps across European nations  —  More European countries are launching contact tracing apps in an attempt to slow the spread of COVID-19.  But at the moment, those apps do not work across borders.
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