Policymakers have touted such tests as key to easing shutdowns, but high specificity will be needed to avoid misinforming people about their infection status.
A number of manufacturers say that the shortage of swabs and transport media for facilitating SARS-CoV-2 testing that clinicians are facing will soon abate.
In announcing a national emergency on Friday, Trump paraded out executives from the private sector as the administration tries to increase testing capacity
