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Tuberculosis (TB) is a contagious bacterial infection primarily affecting the lungs, caused by the bacterium Mycobacterium tuberculosis. It spreads through airborne particles when an infected person coughs or sneezes. Symptoms include a persistent cough, chest pain, weight loss, and night sweats. TB can be treated effectively with a long course of antibiotics, but if left untreated, it can be severe and even fatal.

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1d ago

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