AdvertisementWhy Contact Tracing Couldn't Keep Up With The U.S. COVID OutbreakJune 03, 2021Selena Simmons-DuffinfacebookEmailMaryama Diaw, a contact tracer in New York City, worked remotely from her home last year. Coronavirus contact tracing programs across the U.S. are starting to scale back, according to NPR's latest survey. (AP)
