Disclosures: Dr. Cheng reports grants from the Canadian Institute of Health Research and McGill Interdisciplinary Initiative in Infection and Immunity during the conduct of the study; after the manuscript was written and submitted, he was offered a position on the scientific advisory board of GEn1E Lifesciences, but this position is unrelated to the submitted work. Dr. Papenburg reports grants and personal fees from BD Diagnostics, Seegene, and AbbVie; personal fees from Cepheid; and grants from MedImmune, Sanofi Pasteur, Janssen Pharmaceuticals, and Hoffman–La Roche outside the submitted work. Dr. Kanjilal reports grants from PhAST Diagnostics outside the submitted work. Dr. Libman reports grants from GeoSentinel Network outside the submitted work. Dr. Yansouni reports nonfinancial support from bioMérieux outside the submitted work. Authors not named here have disclosed no conflicts of interest. Disclosures can also be viewed at www.acponline.org/authors/icmje/ConflictOfInterestForms.do?msNum=M20-1301.