“…A common finding associated with uremia is impaired immunity, including disorders of Tlymphocyte growth and activation, lymphopenia and decreased antigen-specific humoral immunity mediated by Tlymphocytes (12). In addition, several factors specific for HD patients, such as malnutrition, anemia, vitamin D deficiency and hyperparathyroidism, may further contribute to impaired immunity (13)(14)(15)(16). Therefore, HD patients are considered to have high susceptibility to TB, and latent TB is 52.5 times more likely to be reactivated in patients with renal failure than in the general population (1,17).…”