Abstract
Diagnosis of tuberculosis (TB) in children is challenging because fewer than 50% of children with active TB have positive cultures. Furthermore, identification of latent TB infection with the tuberculin skin test (TST) is poorly standardized, requires a return visit in 2 to 3 days, and results can be confounded by non-TB mycobacterial exposure and prior bacille Calmette-Guerin (BCG) vaccination. Researchers …
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