The Battle of Cold Harbor was a major defeat for the Union. The North suffered about 13,000 total casualties to the South's approximately 2,500. Morale was low; the troops were tired. Even Grant seemed depressed.
QuantiFERON-TB Blood Test. QuantiFERON-TB Blood Test. The QuantiFERON-TB Blood Test is used to aid in the diagnosis of both latent and active infections with the bacteria that causes Tuberculosis (TB). This test is one of only 2 blood tests for TB approved by the FDA. Tuberculosis is a bacterial disease that typically affects the lungs.
The TâSPOT.TB test is a revolutionary in vitro diagnostic assay that measures T cells primed to Mycobacterium tuberculosis (MTB) antigens. Based on the pioneering T-SPOT technology, it was developed for diagnosing both latent TB infection and TB disease in humans. The T-SPOT.TB test sets new clinical standards of sensitivity and reliability, even in the immunocompromised.