(0) Expanded list of authorized instruments and reagents allows more options for labs running CDC Influenza SARS-CoV-2 (Flu SC2) Multiplex Assay Labs performing the Centers for Disease Control's (CDC) Flu SC2 Multiplex Assay, a single test to diagnose infection caused by SARS-CoV-2, influenza A, or influenza B, can now use two Promega instruments and a Promega nucleic acid purification kit in the protocol. In a letter dated January 8, 2021, the US Food and Drug Administration (FDA) authorized an amendment to the Emergency Use Authorization (EUA) for the CDC Influenza SARS-CoV-2 (Flu SC2) Multiplex Assay that adds the Maxwell RSC 48 and Maxwell CSC 48 instruments, along with the Maxwell RSC Viral Total Nucleic Acid Purification Kit, as options for the test procedure.