North Dakota's contact tracing apps may be a litmus test for Covid-19 tech

North Dakota's contact tracing apps may be a litmus test for Covid-19 tech

An app for football fans became a digital contact tracing tool — and could be a litmus test for Covid-19 technology

By ERIN BRODWIN

STEPHEN GROVES/AP

North Dakota's pilot effort will serve as a crucial test of whether digital tools can play any sort of permanent role in the pandemic response.

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