Table 1.

Percent positive replicates of twofold dilution series detected on the ABI 7500 platform

Assay	Copies per mla
Diluent	1000	500	250	125	62.5
EZ-SARS-CoV-2 PCR assay
VTM	100	100	100	100	77.78
AN	100	100	100	88.89	88.89
TaqPath COVID-19 real-time RT-PCR assay S gene
VTM	100	100	100	77.78	77.78
AN	100	100	100	55.56	33.33
TaqPath COVID-19 real-time RT-PCR assay ORF1ab
VTM	100	100	77.78	100	55.56
AN	100	100	100	100	22.22
TaqPath COVID-19 real-time RT-PCR assay N gene
VTM	100	100	100	100	44.44
AN	100	100	77.78	77.78	22.22

^aResults represent percent of replicates detected in three independent runs