Valencia CA. - Physicians & TB controllers around the country can now quickly and accurately detect M. tuberculosis infection with the U.S. Food and Drug Administration (FDA) approval of QuantiFERON(R)-TB Gold In-Tube (QFT(TM)). This blood test detects cellular immune responses to proteins specifically associated with tuberculosis (TB) infection. It replaces the original QuantiFERON(R)-TB Gold, and offers the same specificity and accuracy advantages. [click link for full article]