from Section 4 - Major Common Infections
Published online by Cambridge University Press: 18 June 2025
Despite being both treatable and preventable, tuberculosis is estimated to have caused 56 million deaths globally in the last 30 years. Over this time new challenges to TB control have evolved. The HIV epidemic fuelled rises in TB transmission and disease, as well as widening diagnosis and treatment gaps in TB care. As a result, settings in East and Southern Africa have the highest TB incidence rates in the world, and TB is the leading cause of hospitalization and death in HIV-positive adults. Emergence of drug-resistant tuberculosis highlighted limited availability of drug-sensitivity testing and resulted in worse treatment outcomes for many patients. Most recently, the COVID-19 pandemic caused disruption in health services, reversing milestones achieved in the End TB Strategy set by the World Health Organization. As a result, the gap between estimated tuberculosis cases and diagnosed cases widened in 2020.
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