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.

Marcel Salathé is an associate professor and head of the Digital Epidemiology Lab, School of Life Sciences, School of Computer and Communication Sciences, Swiss Federal Institute of Technology ...

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 — ...