NBC News
As a third surge of the coronavirus threatens much of the U.S., public health experts across the country say there still aren’t enough tests available to keep the virus under control. Right now, some doctors and hospitals are offering rapid tests to patients, which can give results in minutes. And over the next few weeks, major pharmacy retailers like CVS and Walgreens say they’ll start offering a type of rapid test called an antigen test, which some hope will give Americans more access to testing.