Birx said South Korea has done about 290,000 tests, and the United States has now done over 300,000. She said the U.S. is now doing 50,000 to 70,000 tests per day.
https://thehill.com/policy/healthcare/489274-birx-us-has-done-more-testing-in-8-days-than-south-korea-in-8-weeks