Just ask the CDC
Page 42, second paragraph. https://www.fda.gov/media/134922/download
Since no quantified virus isolates of the 2019-nCoV were available for CDC use at the time the test was developed and this study conducted, assays designed for detection of the 2019-nCoV RNA were tested with characterized stocks of in vitro transcribed full length RNA
Canadian public health officials have no record of SARS-COV-2 isolation/purification performed anywhere, ever
Just ask the CDC
Page 42, second paragraph. https://www.fda.gov/media/134922/download
Since no quantified virus isolates of the 2019-nCoV were available for CDC use at the time the test was developed and this study conducted, assays designed for detection of the 2019-nCoV RNA were tested with characterized stocks of in vitro transcribed full length RNA
Canadian public health officials have no record of SARS-COV-2 isolation/purification performed anywhere, ever