What does positive IGRA test mean?
What does positive IGRA test mean? A positive IGRA test means that you have been infected with tuberculosis. This does not mean that you are ill. It is believed that approximately 1/3 of the world's population are IGRA positive without suffering from tuberculosis, meaning they have what is called latent tuberculosis infection. What is IGRA TB Gold test? QuantiFERON-TB Gold (QFT) is a simple blood test that aids in the detection of Mycobacterium tuberculosis, the bacteria which causes tuberculosis (TB). QFT is an interferon-gamma (IFN-γ) release assay, commonly known as an IGRA, and is a modern alternative to the tuberculin...