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JAMA Patient Page
March 6, 2013

Tuberculosis

JAMA. 2013;309(9):938. doi:10.1001/2012.jama.10804

Tuberculosis (TB) is a communicable infection (can be transmitted from person to person) that usually affects the lungs. It is spread by airborne droplets when an infected person coughs or sneezes. It is caused by a bacterium called Mycobacterium tuberculosis. At the time of diagnosis, people with TB usually have a variety of symptoms such as low-grade fever, constant cough with sputum (phlegm), night sweats, and unintentional weight loss.

To find this and previous JAMA Patient Pages, go to the Patient Page link on JAMA 's website at www.jama.com. Many are available in English and Spanish.

Source: US Centers for Disease Control and Prevention

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