ZeptoMetrix^®, the most trusted brand in third-party molecular diagnostic and antigen QC, is launching a new swab format of quality controls. Our new NATtrol™ Flu/RSV/SARS-CoV-2 Positive (NATFRC-SW) and Negative Control (NATFRCNEG-SW) Swabs contain Influenza A, Influenza B, RSV B, SARS-CoV-2, and A-549 cells, and will be available mid-September.