As the US faces record COVID-19 infections, effective use of exposure notification apps is unlikely given slow adoption and lack of data on their efficacy (Washington Post)
Washington Post:
As the US faces record COVID-19 infections, effective use of exposure notification apps is unlikely given slow adoption and lack of data on their efficacy — The United States is grappling with record-high infections, but adoption of the system is still far behind what its creators and proponents envisioned
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