High Triatoma brasiliensis densities and Trypanosoma cruzi prevalence in domestic and peridomestic habitats in the State of Rio Grande do Norte, Brazil: the source for Chagas disease outbreaks?

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A total of 2,431 Triatoma brasiliensis were collected from 39 populations of Paraíba (PB) and Rio Grande do Norte (RN) states, Brazil. In PB, Trypanosoma cruzi infection was not detected in either peridomestic or domestic vector populations. In contrast, in RN, T. brasiliensis was detected with high...

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Autores principales: Lilioso, Mauricio, Folly-Ramos, Elaine, Lopes Rocha, Fabiana, Rabinovich, Jorge Eduardo, Capdevielle-Dulac, Claire, Harry, Myriam, Marcet, Paula L., Costa, Jane, Almeida, Carlos Eduardo
Formato: Articulo
Lenguaje:Inglés
Publicado: 2017
Materias:
Zoología
Triatoma
Chagas Disease
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/87519
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-87519
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Zoología
Triatoma
Chagas Disease
spellingShingle Zoología
Triatoma
Chagas Disease
Lilioso, Mauricio
Folly-Ramos, Elaine
Lopes Rocha, Fabiana
Rabinovich, Jorge Eduardo
Capdevielle-Dulac, Claire
Harry, Myriam
Marcet, Paula L.
Costa, Jane
Almeida, Carlos Eduardo
High Triatoma brasiliensis densities and Trypanosoma cruzi prevalence in domestic and peridomestic habitats in the State of Rio Grande do Norte, Brazil: the source for Chagas disease outbreaks?
topic_facet Zoología
Triatoma
Chagas Disease
description A total of 2,431 Triatoma brasiliensis were collected from 39 populations of Paraíba (PB) and Rio Grande do Norte (RN) states, Brazil. In PB, Trypanosoma cruzi infection was not detected in either peridomestic or domestic vector populations. In contrast, in RN, T. brasiliensis was detected with high parasite prevalence in these ecotopes (30.7-40.0%). Moreover, peridomicile insect population densities were more than double the average densities of all other settings evaluated (19.17 versus < 8.94 triatomine/man-hour). Genotyped parasites evidenced a mix of T. cruzi lineages circulating in both peridomestic and sylvatic populations. Although vector control efforts have dramatically decreased Chagas disease transmission to humans, recent outbreaks have been detected in four municipalities of RN state. Our results clearly evidence a worrisome proximity between infected vectors and humans in RN. Indeed, finding of infected T. brasiliensis inside homes is routinely recorded by local vector control surveillance staff around the outbreak area, challenging the current and conventional view that vector transmissions are controlled in northeastern Brazil. This scenario calls for strengthening vector control surveillance and interventions to prevent further Chagas transmission, especially in RN State. Copyright
format Articulo
Articulo
author Lilioso, Mauricio
Folly-Ramos, Elaine
Lopes Rocha, Fabiana
Rabinovich, Jorge Eduardo
Capdevielle-Dulac, Claire
Harry, Myriam
Marcet, Paula L.
Costa, Jane
Almeida, Carlos Eduardo
author_facet Lilioso, Mauricio
Folly-Ramos, Elaine
Lopes Rocha, Fabiana
Rabinovich, Jorge Eduardo
Capdevielle-Dulac, Claire
Harry, Myriam
Marcet, Paula L.
Costa, Jane
Almeida, Carlos Eduardo
author_sort Lilioso, Mauricio
title High Triatoma brasiliensis densities and Trypanosoma cruzi prevalence in domestic and peridomestic habitats in the State of Rio Grande do Norte, Brazil: the source for Chagas disease outbreaks?
title_short High Triatoma brasiliensis densities and Trypanosoma cruzi prevalence in domestic and peridomestic habitats in the State of Rio Grande do Norte, Brazil: the source for Chagas disease outbreaks?
title_full High Triatoma brasiliensis densities and Trypanosoma cruzi prevalence in domestic and peridomestic habitats in the State of Rio Grande do Norte, Brazil: the source for Chagas disease outbreaks?
title_fullStr High Triatoma brasiliensis densities and Trypanosoma cruzi prevalence in domestic and peridomestic habitats in the State of Rio Grande do Norte, Brazil: the source for Chagas disease outbreaks?
title_full_unstemmed High Triatoma brasiliensis densities and Trypanosoma cruzi prevalence in domestic and peridomestic habitats in the State of Rio Grande do Norte, Brazil: the source for Chagas disease outbreaks?
title_sort high triatoma brasiliensis densities and trypanosoma cruzi prevalence in domestic and peridomestic habitats in the state of rio grande do norte, brazil: the source for chagas disease outbreaks?
publishDate 2017
url http://sedici.unlp.edu.ar/handle/10915/87519
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