NATtrol Strep A Negative Control

NATtrol Strep A External Run Controls (P/N NATSPY6MC & NATSDG-6MC) are formulated with purified, intact bacterial cells that have been chemically modified to render them non-infectious and refrigerator stable. Each control pack contains 6 x 0.5 mL vials of NATtrol S. pyogenes or NATtrol S. dysgalactiae as listed in Table 1. These controls are supplied…