The title loosely implies that it was the "growing frustration" that made the CDC loosen its criteria.
It's actually the test now being available in a large quantity that allows the CDC to loosen the criteria.
“It’s actually the test now being available in a large quantity that allows the CDC to loosen the criteria. “
True.
But South Korea has had drive through testing centers for nearly a month.
The CDC totally failed on testing. If every doc in America was able to order a test a month ago, US containment might have been possible.