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. 2018 Feb 9;67(4):519–524. doi: 10.1093/cid/ciy121

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© The Author(s) 2018. Published by Oxford University Press for the Infectious Diseases Society of America.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 1. — Concordance of Chagas Sero K-SeT and TSSApep enzyme-linked immunosorbent assay (ELISA). Representative samples from set 1 (matched mother–neonate) and set 2 (adult chronic infection) assayed using TSSApep ELISA and Chagas Sero K-SeT gave corresponding results for TSSApep-II/V/VI reaction, with 1 negative/borderline ELISA positive by rapid diagnostic text (pair m₁ n₁). Set 2, sample 6, was previously shown to be Trypanosoma cruzi seronegative. The A₄₉₀ reading is for TSSApep-II/V/VI reactivity by ELISA and is the mean of duplicate assay plates.