Tuberculosis - Definition

Tuberculosis (pronounced too-BUR-kyoo-LOH-siss), or TB, is a contagious disease of the lungs that can spread to other parts of the body and may be fatal. TB is caused by a microorganism known as the tubercle bacillus, or Mycobacterium tuberculosis. The disease can now be treated, cured, and prevented. However, scientists have never come closing to wiping it out and TB remains one of the most serious diseases worldwide.

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