The Exact Diagnostics SARS-CoV-2, Flu, RSV Positive Run Control from Bio-Rad allows laboratories to evaluate day-to-day and lot-to-lot variation of their multiplexed molecular assay and to test for operator proficiency. The control is manufactured with whole organism SARS-CoV-2, Influenza A, Influenza B and RSV (A). The product is formulated in a synthetic matrix and contains human genomic DNA (75,000 copies/mL). Part of Bio-Rad’s EDX family of products, it is available in kits of 5 vials, has a 1.0 mL fill volume, and can be stored at -20°C or below.