TB susceptible population

TB susceptibility groups include the following: first, elderly patients or patients with chronic underlying diseases, such as coronary heart disease, hypertension, chronic obstructive pulmonary disease and other diseases such as low immunity, easy to infect Mycobacterium tuberculosis. Second, HIV infected people, long-term use of immunosuppressants will also be susceptible to tuberculosis. Third, infants and young children immune system development is not perfect, also caused by easy to infect tuberculosis.