Tags: Disease.
Tuberculosis MTB or TB (short for tubercle bacillus) in the past also called phthisis phthisis pulmonalis or consumption is a common and in many cases fatal infectious disease caused by various strains of mycobacteria usually Mycobacterium tuberculosis. Tuberculosis typically attacks the lungs but can also affect other parts of the body. It is spread through the air when people who have an active TB infection cough sneeze or otherwise transmit respiratory fluids through the air.