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Tuberculosis (TB) is an infective disease caused by Mycobacterium tuberculosis (Mtb). The bacteria is spread through the air when people who have active TB infection cough or sneeze. The bacteria attack the lungs, primarily, but can also spread and attack other parts of the body. The most common symptom of active TB infection is chronic cough with blood-tinged sputum. It is estimated that one-third of the world’s population are infected with Mtb, although only 13 million chronic cases are active, and 1.5 million associated deaths occur. Treatment of TB uses antibiotics to kill the bacteria, but the treatment is not entirely effective. Vaccination in children decreases significantly the risk of infection.
KeywordsMycobacterium Tuberculosis Chronic Cough Infected Macrophage Extracellular Bacterium Burst Rate
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