[\'Department of Pathology, University of Michigan Medical School, Ann Arbor, MI, USA. Electronic address: plephart@umich.edu.\', \'Department of Pathology, University of Michigan Medical School, Ann Arbor, MI, USA.\']
Comparative study of four SARS-CoV-2 Nucleic Acid Amplification Test (NAAT) platforms demonstrates that ID NOW performance is impaired substantially by patient and specimen type.