Defamation Law: The Basics. There is always a delicate balance between one person's right to freedom of speech and another's right to protect their good name. It is often difficult to know which personal remarks are proper and which run afoul of defamation law.
1 A bacterium, Mycobacterium tuberculosis, causes the disease.  There are many risk factors for TB. Clinical symptoms and signs of pulmonary TB include fever, night sweats, cough, hemoptysis (coughing up blood-stained sputum), weight loss, fatigue, and chest pain.
Bacterium. Mycobacterium tuberculosis bacteria, the cause of TB. Credit: NIAID. Tuberculosis is caused by the infectious agent known as Mycobacterium tuberculosis (Mtb). This rod-shaped bacterium, also called Koch's bacillus, was discovered by Dr. Robert Koch in 1882.his is called latent TB infection. People who have latent TB infection do not get sick and do not spread the bacteria to others. But, some people with latent TB infection eventually do get TB disease. So it is important to get the appropriate treatment and get rid of the bacteria even in latent TB infection.