How South Korea used tech to track down coronavirus and curb spread

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Mass testing was more efficient through the use of artificial intelligence to read chest X-rays, drive-through test stations which can complete a test in 10 minutes, and a self-diagnosis mobile app to keep track of the health of foreign visitors.

A global positioning system-enabled app monitors the movement of people to enforce quarantines at home or at designated facilities.

An emergency broadcasting service allows the authorities to send messages to mobile phone users to warn them to avoid areas visited by confirmed patients as part of social distancing measures.

The wide use of invasive surveillance technology, however, has raised concerns over privacy infringement, stigmatisation and cyber bullying, as patient data went viral.

The revised law also allows the authorities to access patient data - including credit card transactions and travel, medical and location records - from public and private organisations.

For qns on privacy and Govt's intervention into freedom and rights....