The challenge, experts say, is a basic issue of supply and demand. About half of all coronavirus tests are conducted by large-scale commercial laboratory companies like LabCorp and Quest Diagnostics,
As the country reopens, employers are looking into how to safely bring back their workers. One recurring question: Should they be tested for the new coronavirus? Some businesses are moving
The lines start forming the night before, as people with glassy eyes and violent coughs try to get tested for the virus. In the darkness, they park their cars, cut
