Microbix Biosystems Inc., a life science company, develops and commercializes proprietary biological and technological solutions for human health and wellbeing in North America, Europe, and internationally. The company manufactures a wide range of critical biological materials and medical devices for the global diagnostics industry, notably test ingredients (Antigen business) used in immunoassays, quality assessment, and diagnostic-test products, such as test-controls under the QAPs brand; viral transport medium for enabling the collection of patient samples to test for pathogens including virus causing the COVID-19 disease under the DxTM brand; Kinlytic, a biologic thrombolytic drug used to treat blood clots; and antigen products. It also provides customer vial filling services. Microbix Biosystems Inc. was founded in 1988 and is headquartered in Mississauga, Canada.