NPR's Ari Shapiro talks with Lorna Thorpe, director of epidemiology at New York University Grossman School of Medicine, on the benefits and disadvantages of contact tracing at this pandemic phase.

NYC Test & Trace Corps, the city's initiative for Covid testing and contact tracing, will end universal contact tracing—where every positive case is called up—by the end of April. The decision to end ...

In the battle against COVID-19, contact tracing has proven to be a vital weapon in curbing the spread of the virus. While numerous contact tracing methods have emerged, manual contact tracing methods ...

In a recent study published in Nature Communications, researchers reported that backward contact tracing is crucial to suppressing transmission of severe acute respiratory syndrome coronavirus 2 (SARS ...

Chester County health officials are shifting priorities after COVID-19 incidence and percent positivity rates more than doubled over the past four weeks. The county said it will focus more efforts on ...

When the coronavirus pandemic began, the health department in Teton County, Wyo., went all in on contact tracing. Everyone at the health department stopped their regular jobs to join the effort, and ...

Intensive contact tracing has helped contain COVID-19 outbreaks in some Asian countries. People test positive, they quarantine, and the folks they’ve had contact with are tracked down and asked to — ...