TUESDAY, Dec. 8, 2020 (HealthDay News) — A smartphone tool to alert people of possible coronavirus exposure will become available in California on Thursday.
Officials said the voluntary tool uses Bluetooth wireless signals to detect when two phones are within 6 feet (1.8 meters) of each other for at least 15 minutes, the Associated Press reported.
If a user tests positive for the new coronavirus, they’ll receive a verification code they can use to send an anonymous alert to other users who may have been exposed over the past 14 days.
The tool’s introduction comes as California’s coronavirus cases soar and new restrictions are imposed, the AP reported.
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