TNF and chronic kidney disease: Of the 26 children, 18 (69.2%) had close contact with individuals with confirmed pulmonary TB; four (15.4%) were to initiate anti-tumor necrosis factor treatment or immunosuppressive drugs; one (3.8%) had been diagnosed with chronic kidney disease and was receiving glucocorticoid therapy; and three (11.5%) had fevers of unknown origin and positive IGRA results.