| geographic variation of trypanosoma cruzi discrete typing units from triatoma infestans at different spatial scales. | we assessed the diversity and distribution of trypanosoma cruzi discrete typing units (dtu) in triatoma infestans populations and its association with local vector-borne transmission levels at various geographic scales. at a local scale, we found high predominance (92.4%) of tcvi over tcv in 68 microscope-positive t. infestans collected in rural communities in santiago del estero province in northern argentina. tcv was more often found in communities with higher house infestation prevalence comp ... | 2014 | 25090650 |