Employees of the University of Washington’s UW Medicine system, can now get tested for coronavirus without leaving their cars.

The system’s medical center in northwest Seattle has turned a hospital garage lot into a drive-through clinic that can test a person every five minutes. They typically get results within a day or so.

But the idea involves more than convenience. It’s also about safety.

“Because of the way this virus could be spread, we want to make sure there’s good ventilation,” says Dr. Seth Cohen, who runs the infectious disease clinic at UW Medical Center Northwest.