Can you provide a source to back up this claim? Because according to Wikipedia USA horribly fumbled the testing.

“In the United States, the CDC distributed its SARS-CoV-2 Real Time PCR Diagnostic Panel to public health labs through the International Reagent Resource.[74] One of three genetic tests in older versions of the test kits caused inconclusive results due to faulty reagents, and a bottleneck of testing at the CDC in Atlanta; this resulted in an average of fewer than 100 samples a day being successfully processed throughout the whole of February 2020. Tests using two components were not determined to be reliable until 28 February 2020, and it was not until then that state and local laboratories were permitted to begin testing.” - https://en.wikipedia.org/wiki/COVID-19_testing