External controls Serazym® Stool diagnostics are used for external quality control of the product lines Serazym® (Seramun) and ProSpecT® or IDEIA™ (Oxoid). Using the controls, qualitative results are generated (positive or negative). Two External controls Serazym® Stool diagnostics are offered for every test parameter as a set with 400 μl stabilized stool suspension each. The sets are shipped twice per year on predefined dates. The dates are announced by VIROTECH Diagnostics GmbH.
