What is contact tracing, and how could it help the U.S. manage COVID-19?

PBS NewsHour

Published on May 4, 2020

With COVID-19 cases in the U.S. still rising, many experts say the next phase in the pandemic response will require aggressive contact tracing. The technique has been used extensively in prior disease outbreaks elsewhere, but the U.S. currently lacks a nationwide tracing infrastructure. And while apps tracking movement and interactions could help, they raise privacy concerns. Amna Nawaz reports.

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