Introduction: This retrospective study conducted from 2001 to 2018 investigated the residual foci of Triatoma infestans infestation in Rio Grande do Sul, Brazil.
Methods: The data were obtained via entomological surveillance and the distribution of vector occurrence. The coverage of active research was mapped.
Results: The largest coverage rate for active research was observed in the northwest region of the total of 515,081 domiciles researched. Most T. infestans specimens were captured in the peridomicile.
Conclusions: Infestation has decreased significantly since 2008, and T. infestans has not been captured since 2015.
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| http://dx.doi.org/10.1590/0037-8682-0530-2020 | DOI Listing |
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