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Tuberculosis, or TB, is an infectious bacterial disease caused by Mycobacterium tuberculosis, which most commonly affects the lungs. It is transmitted from person to person via droplets from the throat and lungs of people with the active respiratory disease. In healthy people, infection with M. tuberculosis often causes no symptoms, since the person's immune system acts to 'wall off' the bacteria. The symptoms of active TB of the lung are coughing, sometimes with sputum or blood, chest pains, weakness, weight loss, fever and night sweats. Tuberculosis is treatable with a six-month course of antibiotics.


In the Americas, one in five people with tuberculosis is unaware of the disease

One in five people infected with tuberculosis in the Americas remains unaware of the disease, due to failure to access health services or because they are not properly diagnosed, according to estimates by the Pan American Health Organization/World Health Organization (PAHO/WHO).

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:: Tuberculosis Video List



 

Communicable Diseases and Health Analysis Department
HIV, Hepatitis, Tuberculosis and Sexually Transmitted Infections
Tuberculosis Program
www.paho.org/tuberculosis

Regional Office for the Americas of the World Health Organization
525 Twenty-third Street, N.W., Washington, D.C. 20037, United States of America
Tel.: +1 (202) 974-3000 Fax: +1 (202) 974-3663

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