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 ...

Note: This story was updated to include Massachusetts, which began to share contact tracing data on its website on Wednesday. When everyone who tests positive for coronavirus in your community gets a ...

One of the best tools we have to slow the spread of the coronavirus is, as you have no doubt heard by now, contact tracing. But what exactly is contact tracing, who does it and how, and do you need to ...

Here's one (more) sign the COVID-19 pandemic is on the decline in the United States. NPR's latest survey of state health departments with the Johns Hopkins Center for Health Security finds many are ...