According to the CDC, TB blood tests are preferred for: People who have a difficult time returning for a second appointment4 Patients with compromised immune systems5 BCG–vaccinated patients6 TB blood tests can reduce in-person visits by 50% Since testing can be done in a single blood ...
studies for validation. In addition, 95% of LTBI test results were based on TST instead of IGRA. The association between CD4 and test results might not be applicable when IGRA is the main testing method. Likewise, the context of drug-resistance had not been investigated as the study dataset ...
3. Centers for Disease Control and Prevention fact sheet. Tuberculosis (TB). Basic TB facts. www.cdc.gov/tb/topic/basics/default.htm. Accessed June 4, 2010. 4. Centers for Disease Control and Prevention fact sheet. Tuberculosis (TB). Tuberculin skin testing. www.cdc.gov/tb/publications/fac...
The Tuberculin Skin Test (TST) is used to assess whether a person has been exposed to M. tb, either through a previous TB vaccination or environmental exposure. After an immune competent individual is exposed to M. tb, an active immune response is triggered resulting in the production of ant...