Residual foci of triatoma infestans infestation: Surveillance and control in rio grande do sul, Brazil, 2001-2018

Abstract

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.