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The Trypanosoma cruzi taxon is composed of 2 major lineages, T cruzi I and T cruzi II. The clinical symptoms of Chagas disease are highly variable, and their geographic distribution is correlated with the distribution of the parasite lineages. In Colombia and northern South America, T cruzi I lineage is associated with chagasic cardiomyopathy. Alternatively, in the countries south cone of South America,...