In 1882, Robert Koch discovered several species of mycobacteria  and identified them as the cause of this disease. In its childhood  form, the germ is surrounded by defensive cells, forming a harmless  calcified nodule. In the adult form, instead of 
In 1882, Robert Koch discovered several species of mycobacteria  and identified them as the cause of this disease. In its childhood  form, the germ is surrounded by defensive cells, forming a harmless  calcified nodule. In the adult form, instead of benign nodules,  large cheesy masses are formed which eat through the lung and enter  the bronchi. FTP, what is this infectious disease whose victims  cough up blood, recently causing concern with its newfound  resistance to antibiotics?
In 1882, Robert Koch discovered several species of mycobacteria  and identified them as the cause of this disease.
{tuberculosis}