QIAGEN's top-quality assays and panels enable you to accurately analyze and identify diseases and genetic variations. QuantiFERON® technology, a method which detects cell-mediated immune (CMI) responses in whole blood samples. Based on the patented QuantiFERON technology, QuantiFERON-TB Gold (QFT®) is a simple blood test that accurately assists the identification of people infected with Mycobacterium tuberculosis, the causative agent of tuberculosis (TB). Visit www.QuantiFERON.com to learn more about QuantiFERON.