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A team from the US and Guatemala explore the genetic diversity of the Chagas disease-causing parasite Trypanosoma cruzi in Central America for a paper appearing in PLOS Neglected Tropical Diseases. The researchers used 18S ribosomal RNA sequencing to identify discrete typing units in T. cruzi parasites carried by the kissing bug vector Triatoma dimidiata, using more than 300 samples from Mexico, Central America, or Colombia.

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