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IL-1β plasma levels are higher in seropositive patients than in seronegative donors. Plasma levels of IL-6, IL-10, IFNγ, TNF, and IL-4 (assayed by a panel of capture beads) and IL-1β (evaluated by enzyme-linked immunosorbent assay) in chagasic patients (n = 18) and non-chagasic donors (n = 15) (*p < 0.05).
