How is TB transmitted?

Pulmonary tuberculosis (TB) is a chronic infectious disease caused by Mycobacterium tuberculosis infection, mainly through respiratory tract infection. TB prevalence rate is relatively wide, in some economically underdeveloped countries and regions, TB is still a more harmful public health problem. Tuberculosis is mainly transmitted through respiratory droplets. During coughing and sneezing, Mycobacterium tuberculosis can float in the air with sputum, which can cause tuberculosis after inhalation by healthy people. In addition, a small part of tuberculosis is transmitted through digestive tract, such as drinking some drinks infected with Mycobacterium tuberculosis or dairy products, which can cause tuberculosis infection. Clinical tuberculosis harm is still relatively large, first of all has a certain infectivity, in addition to lung tissue can cause progressive damage, and even cause some serious lung lesions. Therefore, we should give certain attention to the prevention of tuberculosis, regular treatment of tuberculosis.