Three Million TB Cases Slip Through Global Health Systems Yearly—a Problem That's Survived Fourteen Years of Strategy

In 2022, 10.6 million people contracted tuberculosis worldwide, but only 7.5 million were diagnosed. The 3.1-million gap is not new: WHO identified a similar shortfall in 2012. Despite a decade of declared global TB strategies, the diagnostic failure has persisted—a measure of how little structural ground global health systems have gained in reaching the disease's invisible cases.