IL6 and rickets: HTLV-infected patients with hypovitaminosis D had significantly higher levels of IL-6 (95 pg/mL; IQR: 36–119) and TNF-α (50 pg/mL; IQR: 24.3–94.2) than patients with normal vitamin D levels (IL-6: 57 pg/mL; IQR: 31.4–99; p < 0.001; TNF-α: 40.3 pg/mL, IQR: 6.8–62.8; p = 0.001).