Health workers prepare to give people free Covid-19 tests at Barcroft Community Center in Arlington, Virginia, on May 26. | Olivier Douliery/AFP via Getty Images
Rapid at-home tests are in the works, but without oversight, they could fail to live up to their potential.
The slow rollout of testing “has crippled us from making more progress and opening up the economy,” says Ryan Demmer of the division of epidemiology and community health at the University of Minnesota.
While testing for active infections has much improved since March, tests are still in short supply in some areas around the country. And where tests are readily attainable, results can still take several days.
Now numerous companies are racing