Every year, 10 million people fall ill with tuberculosis (TB) in the world, and of those, 1.5 million people die even though it is a preventable and curable disease. As a result, TB remains the world’s leading infectious cause of death. On the other hand, in industrialized countries, the TB incidence has fallen to a historic low, and clinicians’ experience with TB diminished significantly in recent years. Additional challenges for clinicians include atypical presentation of TB in the immunocompromised, especially among the elderly, and an increasing number of patients with drug-resistant...