On Jan. 7, 2021, Twist Bioscience announced it would supply the U.S. Centers for Disease Control and Prevention (CDC) with a customized version of Twist SARS-CoV-2 Synthetic RNA Controls for use in the CDC Influenza SARS-CoV-2 (Flu SC2) Multiplex Assay.

The CDC SARS-CoV-2 (Flu SC2) Multiplex Assay tests for influenza A, B and SARS-CoV-2 simultaneously.