Global epidemiology of tuberculosis

Area of Science:

• Public Health
• Epidemiology
• Infectious Diseases

Background:

• Tuberculosis (TB) remains a significant global health threat, causing millions of deaths annually.
• Despite effective chemotherapy, TB continues to be a leading cause of death, particularly when co-occurring with HIV.
• International bodies have set ambitious targets for TB burden reduction by 2015 and 2050.

Purpose of the Study:

• To estimate the global burden of TB in 2012, including incidence, prevalence, and mortality.
• To assess progress made towards the 2015 TB reduction targets using data from 1990 onwards.
• To analyze trends in TB notifications and the implementation of the Stop TB Strategy, and to consider future elimination prospects.

Main Methods:

• Review of data sources for estimating TB disease burden.
• Analysis of TB incidence, prevalence, and mortality data for 2012.
• Trend analysis of TB notifications and Stop TB Strategy implementation since 1990.
• Projection of trends to assess progress towards 2015 targets.

Main Results:

• Presents 2012 estimates for TB incidence, prevalence, and mortality.
• Assesses the progress towards achieving the 2015 global TB reduction targets.
• Analyzes trends in TB notifications and the effectiveness of the Stop TB Strategy.

Conclusions:

• Highlights the critical importance of monitoring TB burden to guide sustainable investments.
• Discusses the feasibility of achieving current TB control targets and outlines future prospects for TB elimination post-2015.