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.
response to tuberculosis infection by means of a blood test. (TST), QFT-IT provides clinicians with an accurate, reliable and convenient TB diagnostic tool. sensitivity of approximately 87.6% and a specificity of approximately 99.2%. collection tubes containing antigens representing M. tuberculosis proteins or controls.