Before March 12 , the CDC reported less than 12,000 tests had been performed , less than 3,800 by them , and less than 8,000 by US public labs during the coronavirus pandemic .
As of March 12 , the CDC reported that 13,624 specimens had been tested for COVID-19 , 3,903 of which were tested by CDC labs , and 9,721 tested by U.S. public health labs.
2020 coronavirus pandemic in the United States