nasal swab test
Carol Taccetta, MD, FCAP

Follow-Up to “NAATs Used in Pfizer Clinical Trial to Test Asymptomatic Patients Despite Not Being Approved (or Even Emergency Use Authorized) for Asymptomatic Testing.”

Addendum: Since publication of this piece on April 25, 2023, a new Pfizer document tranche (dated April 3, 2023, but available publicly in late April 2023) has been released, and it included, “Report on Method Validation of a Cepheid Xpert® Xpress PCR Assay to Detect SARS-CoV-2.” The validation report states: “This report […]