The First U.S. Contact-Tracing App to Use the Apple-Google System Is Finally Here: It’s a little hard to know what to make of how slowly the United States
has moved in using mobile phones to trace the spread of COVID-19 and
notify exposed individuals. Four months ago, Apple and Google announced a
privacy-protecting system to use Bluetooth for contact-tracing apps. Yet only this week did the first state—Virginia—release an
exposure notification app using that Apple-Google framework.
