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Tuberculosis (TB) Transmission and Symptoms

Transmission

TB is primarily an airborne disease. The bacteria are spread from person to person in tiny microscopic droplets when a TB sufferer coughs, sneezes, speaks, sings, or laughs. Only people with active TB can spread the disease to others.

Symptoms

Early symptoms of active TB can include weight loss, fever, night sweats, and loss of appetite. Symptoms may be vague, however, and go unnoticed by the affected person. For some, the disease either goes into remission (halts) or becomes chronic and more debilitating with cough, chest pain, and bloody sputum (saliva).

Symptoms of TB involving areas other than the lungs vary, depending upon the organ or area affected.

Last Updated March 06, 2012