What Is Contact Tracing, and Why Is It Important During the COVID-19 Pandemic?

Photo Courtesy: LAURIE DIEFFEMBACQ/BELGA/AFP/Getty Images

As the U.S. enters its third wave of COVID-19 infections, the need for contact tracing grows. Although the term has popped up a lot during the pandemic, contact tracing has actually existed for centuries.

Public health officials have used this valuable tactic to handle many different disease outbreaks. Some countries have even adapted digital tools to trace exposure. However, despite its widespread practice, contact tracing is still a major challenge in the U.S. Let's take a look at what contact tracing entails and what it looks like in different countries, including the U.S.

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