NATtrol Influenza B, Medium

NATtrol Influenza B External Run Controls (NATFLUBERCL and NATFLUB-ERCM) are formulated with purified, intact virus particles that have been chemically modified to render them non-infectious and refrigerator stable. Each control pack contains 6 x 1.0 mL vials of Influenza B NATtrol at concentrations listed in Table 1. These controls are supplied in a purified protein…