In the coronavirus era, a host of epidemiological terms have entered common public use. There’s the now-ubiquitous “social distancing,” and the newly politicized “flatten the curve.” And as states and local governments seek a way out of lockdowns that have brought their economies to a near-standstill, “contact tracing” has made its way into everyday conversation as well.
Image: Public health nurse Lee Cherie Booth conducts a test for COVID-19 outside of the Salt Lake City Public Health Center on April 10, 2020, accompanied by Salt Lake County infectious disease nurse Travis Langston. When a swab test comes back positive, contact tracing starts. Scott G Winterton—The Deseret News via AP
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