Google and Apple have paired up to create technology that allows for digital tracing of the coronavirus. But what about the disease tracing done by individuals working for public health departments? Experts predict the need for about 100,000 contact tracers in the U.S., and the job pays well. In this clip, Kim talks to Erin Schumaker, an ABC News health and science reporter who recently took the Johns Hopkins University contact tracer course. Hear what it takes to become a contact tracer.