Triatomine Epidemiology in the Province of Río Negro
Chagas is an endemic epidemic disease of vector transmission in the Province of Rio Negro caused by Trypanosoma cruzi, transmitted by triatomines. The Chagas control program in the province of Rio Negro certified, through serological and entomological indicators, the interruption of vector transmission throughout the province. However, in recent years, conditions have been generated that may allow the re-emergence of the disease, such as the eventual domiciliation of wild vinchucas such as T patagonico. The objective was to evaluate the epidemiological situation of the vector through studies of home and peri-home infestation by triatomines and to carry out resistance analyzes to insecticides that were applied for many years in control. As a result, 143 homes were evaluated and 66 light traps were placed. In the intra-domicile all the dwellings were negative, with 3 being positive in the peri-domicile (2.1%) with captures of T-infestans and T. patagonica. No triatomines were captured with the light traps. The captured triatomines were T. infestans and T. patagonica, which were all negative for T. cruzi. Insecticide resistance studies showed that the colonies are still susceptible to deltamethrin.colonies are still susceptible to deltamethrin.
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oai:ojs.cerac.unlpam.edu.ar:article-62192022-03-08T15:18:00Z Triatomine Epidemiology in the Province of Río Negro Epidemiologia de Triatominos en la Provincia de Río Negro Crowley, Pablo Labanchi, José Luis Dade, Martín Daniele, Martin Calabro, Arnoldo Grizmado, Claudia Ochoa, Alexis Hernandez, Paula Arezo, Marcos Larrieu, Edmundo Juan Chagas disease, triatoma, epidemiology, control Chagas, triatoma, epidemiologia, control Chagas is an endemic epidemic disease of vector transmission in the Province of Rio Negro caused by Trypanosoma cruzi, transmitted by triatomines. The Chagas control program in the province of Rio Negro certified, through serological and entomological indicators, the interruption of vector transmission throughout the province. However, in recent years, conditions have been generated that may allow the re-emergence of the disease, such as the eventual domiciliation of wild vinchucas such as T patagonico. The objective was to evaluate the epidemiological situation of the vector through studies of home and peri-home infestation by triatomines and to carry out resistance analyzes to insecticides that were applied for many years in control. As a result, 143 homes were evaluated and 66 light traps were placed. In the intra-domicile all the dwellings were negative, with 3 being positive in the peri-domicile (2.1%) with captures of T-infestans and T. patagonica. No triatomines were captured with the light traps. The captured triatomines were T. infestans and T. patagonica, which were all negative for T. cruzi. Insecticide resistance studies showed that the colonies are still susceptible to deltamethrin.colonies are still susceptible to deltamethrin. Chagas es una enfermedad endemoepidémica de transmisión vectorial en la Provincia de Rio Negro causada por Trypanosoma cruzi, transmitido por insectos vectores denominados triatominos (vinchucas). El programa de control de Chagas de la provincia de Rio Negro certifico, a través de indicadores serológicos y entomológicos, la interrupción de la transmisión vectorial en todo el territorio provincial. Sin embargo, en los últimos años se han generado condiciones que pueden posibilitar la reemergencia de la enfermedad, tal como la eventual domiciliación de vinchucas silvestres, tal el caso de Triatoma patagónica. El objetivo fue evaluar la situación epidemiológica del vector mediante estudios de infestación domiciliaria y peri domiciliaria por triatominos y efectuar análisis de resistencia al principal insecticida que fue aplicado durante muchos años en control. Como resultado se evaluaron 143 viviendas y se colocaron 66 trampas de luz. En el intradomicilio todas las viviendas resultaron negativas, resultando 3 positivas en el peri-domicilio (2.1%) con capturas de T- infestans y T. patagonica. Con las trampas de luz no se capturaron triatominos. Los insectos capturados fueron T. infestans y T. patagonica los que resultaron todos negativos a T. cruzi. Los estudios de resistencia a insecticidas mostraron que las colonias siguen siendo susceptibles a deltametrina. EdUNLPam 2021-10-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf text/html https://cerac.unlpam.edu.ar/index.php/veterinaria/article/view/6219 10.19137/cienvet202123203 Ciencia Veterinaria; Vol. 23 Núm. 2 (2021): Julio - Diciembre; 91-100 1853-8495 1515-1883 spa https://cerac.unlpam.edu.ar/index.php/veterinaria/article/view/6219/6897 https://cerac.unlpam.edu.ar/index.php/veterinaria/article/view/6219/6919 https://cerac.unlpam.edu.ar/index.php/veterinaria/article/view/6219/6955 Derechos de autor 2021 Ciencia Veterinaria http://dx.doi.org/10.19137/cienvet202123203 |
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| author |
Crowley, Pablo Labanchi, José Luis Dade, Martín Daniele, Martin Calabro, Arnoldo Grizmado, Claudia Ochoa, Alexis Hernandez, Paula Arezo, Marcos Larrieu, Edmundo Juan |
| spellingShingle |
Crowley, Pablo Labanchi, José Luis Dade, Martín Daniele, Martin Calabro, Arnoldo Grizmado, Claudia Ochoa, Alexis Hernandez, Paula Arezo, Marcos Larrieu, Edmundo Juan Triatomine Epidemiology in the Province of Río Negro |
| author_facet |
Crowley, Pablo Labanchi, José Luis Dade, Martín Daniele, Martin Calabro, Arnoldo Grizmado, Claudia Ochoa, Alexis Hernandez, Paula Arezo, Marcos Larrieu, Edmundo Juan |
| author_sort |
Crowley, Pablo |
| title |
Triatomine Epidemiology in the Province of Río Negro |
| title_short |
Triatomine Epidemiology in the Province of Río Negro |
| title_full |
Triatomine Epidemiology in the Province of Río Negro |
| title_fullStr |
Triatomine Epidemiology in the Province of Río Negro |
| title_full_unstemmed |
Triatomine Epidemiology in the Province of Río Negro |
| title_sort |
triatomine epidemiology in the province of río negro |
| description |
Chagas is an endemic epidemic disease of vector transmission in the Province of Rio Negro caused by Trypanosoma cruzi, transmitted by triatomines. The Chagas control program in the province of Rio Negro certified, through serological and entomological indicators, the interruption of vector transmission throughout the province. However, in recent years, conditions have been generated that may allow the re-emergence of the disease, such as the eventual domiciliation of wild vinchucas such as T patagonico. The objective was to evaluate the epidemiological situation of the vector through studies of home and peri-home infestation by triatomines and to carry out resistance analyzes to insecticides that were applied for many years in control. As a result, 143 homes were evaluated and 66 light traps were placed. In the intra-domicile all the dwellings were negative, with 3 being positive in the peri-domicile (2.1%) with captures of T-infestans and T. patagonica. No triatomines were captured with the light traps. The captured triatomines were T. infestans and T. patagonica, which were all negative for T. cruzi. Insecticide resistance studies showed that the colonies are still susceptible to deltamethrin.colonies are still susceptible to deltamethrin. |
| publisher |
EdUNLPam |
| publishDate |
2021 |
| url |
https://cerac.unlpam.edu.ar/index.php/veterinaria/article/view/6219 |
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