A Covid-19 test can deliver results in less than an hour has been approved under an FDA emergency authorization, marking the first test that clinicians can use at the bedside.

Testing shortages have been an ongoing challenge in the U.S. response to curb the pandemic. The White House has promised testing will ramp up as more private companies come on board.

Public health and clinical labs have run more than 195,000 tests to date, but that doesn’t include hospital laboratories running their own test, Brett Giroir, assistant secretary for health at the U.S. Department of Health and Human Services, said during a White House briefing Saturday.