Coronavirus: People-tracking wristbands tested to enforce lockdown

Up to 50 residents in Sofia will be given a device that can record their movements using GPS satellite location data.Up to 50 residents in Sofia will be given a device that can record their movements using GPS satellite location data.

Several nations are testing similar wristbands to make sure people are obeying orders to stay at home.

South Korea and Hong Kong have also been using electronic trackers to help enforce quarantine.

The trial in Bulgaria will use Comarch LifeWristbands, developed in Poland.

As well as confirming a person is staying at home, the device can monitor the wearer's heart rate and be used to call the emergency services.

In South Korea, people found to be violating quarantine rules can be ordered to wear a tracking band.

The device was introduced after people were caught leaving their smartphones at home to avoid detection.

The band can alert the authorities if the wearer leaves home or tries to remove the device.

Campaign groups, including Privacy International, have warned that the coronavirus pandemic could be used as a "power grab" by some governments.

It has said new measures should be "temporary, necessary, and proportionate".

"When the pandemic is over, such extraordinary measures must be put to an end and held to account,"

.

Other places testing wearable gadgets include:

Wearable devices could also help the adoption of contact tracing.

, so cascades of alerts can be sent if they test positive for Covid-19.

Read the full story at https://www.bbc.co.uk/news/technology-52409893

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