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Levels of IL-6 in the sera of children with acute chagasic infection (ACU; n = 24), a subset of children with acute chagasic infection treated with benznidazol (PT; n = 11), in children with an indeterminate stage of the infection (ID; n = 13), and in nonchagasic children (NCh; n = 11). The horizontal line shows the median values of each group.
