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How does the Stop Corona-App work? About the automatic digital handshake
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Coronavirus: How can Ottawa's new app help detect COVID-19 exposure?
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Tracking the virus by smartphone: an app to contain the Covid-19 pandemic?
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Germany Coronavirus Tracing App Has 80% Success Rate, SAP CTO Says
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Cell phone tracking apps could be the newest tool to stop COVID-19
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NHS COVID-19 app - protecting your privacy
