Test, trace, contain: how South Korea flattened its coronavirus curve


With one of the lowest mortality rates in the world and a rapidly declining rate of new COVID-19 cases, South Korea has emerged as a world leader in containing the pandemic. Many credit widespread testing and contact tracing, or the tracking of infected people using their own descriptions of their movements as well as GPS phone tracking, surveillance camera records, and credit card transactions. Though it had a distinct advantage as one of the most connected countries in the world, South Korea's model is being replicated widely.

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