Given a scientific passage and an answer, generate a question for the given answer.

Passage: Tuberculosis (TB) is a common and often deadly disease caused by a genus of bacterium called Mycobacterium . Tuberculosis most commonly attacks the lungs but can also affect other parts of the body. TB is a chronic disease, but most people who become infected do not develop the full disease. Symptoms include a cough, which usually contains mucus and coughing up blood. Answer: mycobacterium
What type of bacteria causes the disease called tuberculosis?