QuantiFERON ® -TB test
z First generation test: QuantiFERON ® -TB test is based on the response to PPD
z The second generation test is called QuantiFERON ® -TB Gold and uses a peptide cocktail simulating ESAT-6 and CFP-10 as well as positive and negative controls
z The third generation test is called the QuantiFERON ® -TB Gold In-Tube test. It has positive and negative controls, uses a peptide cocktail simulating ESAT-6, CFP-10 and TB7.7 and is formatted to be easier for clinical labs.