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Who Is Affected by Tuberculosis (TB)

Who Is Affected by Tuberculosis (TB)

The World Health Organization (WHO) estimates that one-third of the world's population is infected with the bacteria that cause tuberculosis . About 2 million people die from TB each year. 1

  • More than 9 million new active TB cases occurred in 2007. 2
  • More than 80% of the people with TB live in Africa and Asia. 2
  • In the United States 14,093 people had active TB in 2005. 3


  1. Nachega JB, Chaisson RE (2003). Tuberculosis drug resistance: A global threat. Clinical Infectious Disease, 36(Suppl 1): S24–S30.
  2. World Health Organization (2009). Global tuberculosis control—epidemiology, strategy, financing. Available online:
  3. Centers for Disease Control and Prevention (2006). Trends in tuberculosis—United States, 2005. MMWR, 54(MM-11): 305–308.
By Healthwise Staff
Primary Medical Reviewer E. Gregory Thompson, MD - Internal Medicine
Specialist Medical Reviewer R. Steven Tharratt, MD, MPVM, FACP, FCCP - Pulmonology, Critical Care Medicine, Medical Toxicology
Last Revised April 15, 2011

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