These Elite Contact Tracers Show the World How to Beat Covid-19

After a coronavirus flareup that killed nearly 300, South Korean public health authorities used rigorous contact tracing investigations to prevent a second wave of illnesses. As of July 2020, the country’s new cases had plateaued for two months at less than 10% of their February levels, and only 8% of new cases came from unknown origins, a much lower rate than most other countries. The country’s Immediate Response Team’s work has allowed the nation to avoid disruptive shutdowns by aggressively targeting dangerous hot spots before they spread.

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