Triatomines involved in domestic and wild Trypanosoma cruzi transmission in Concepción, Corrientes, Argentina

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An entomological and serological survey was performed in three localities of the Department of Concepción, Province of Corrientes, Argentina in 1998 and 1999, to identify triatomines species involved in domestic and wild transmission of Chagas disease. Triatomines were collected by man/hour capture...

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Autores principales:	Bar, M.E., Damborsky, M.P., Oscherov, E.B., Milano, A.M.F., Avalos, G., Wisnivesky-Colli, C.
Formato:	Artículo publishedVersion
Lenguaje:	Inglés
Publicado:	2002
Materias:	Argentina Infection Infestation Seroprevalence Triatoma infestans Triatoma sordida adolescent adult aged animal article blood Chagas disease child disease carrier disease transmission female housing human infant isolation and purification male middle aged newborn parasitology preschool child prevalence season tree Triatominae Trypanosoma cruzi Adolescent Adult Aged Aged, 80 and over Animals Chagas Disease Child Child, Preschool Female Housing Humans Infant Infant, Newborn Insect Vectors Male Middle Aged Prevalence Seasons Trees
Acceso en línea:	http://hdl.handle.net/20.500.12110/paper_00740276_v97_n1_p43_Bar
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

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spelling	paperaa:paper_00740276_v97_n1_p43_Bar2023-06-12T16:45:50Z Triatomines involved in domestic and wild Trypanosoma cruzi transmission in Concepción, Corrientes, Argentina Mem. Inst. Oswaldo Cruz 2002;97(1):43-46 Bar, M.E. Damborsky, M.P. Oscherov, E.B. Milano, A.M.F. Avalos, G. Wisnivesky-Colli, C. Argentina Infection Infestation Seroprevalence Triatoma infestans Triatoma sordida adolescent adult aged animal Argentina article blood Chagas disease child disease carrier disease transmission female housing human infant isolation and purification male middle aged newborn parasitology preschool child prevalence season tree Triatominae Trypanosoma cruzi Adolescent Adult Aged Aged, 80 and over Animals Argentina Chagas Disease Child Child, Preschool Female Housing Humans Infant Infant, Newborn Insect Vectors Male Middle Aged Prevalence Seasons Trees Triatominae Trypanosoma cruzi An entomological and serological survey was performed in three localities of the Department of Concepción, Province of Corrientes, Argentina in 1998 and 1999, to identify triatomines species involved in domestic and wild transmission of Chagas disease. Triatomines were collected by man/hour capture in 32 houses randomly selected and 44 nearby outdoor ecotopes. Trypanosoma cruzi infection in triatomines was assessed by direct microscopic observation (400x) of feces and polymerase chain reaction. Serological techniques used for people were Indirect Hemagglutination Test and Indirect Fluorescent Test. Triatomines were collected in 28.1% of the houses and 31.8% of the wild biotopes. Triatoma infestans (Klug 1834) was exclusively found indoors and T. cruzi infected 60% of them. Triatoma sordida (Stål 1859) was mainly found in extradomtestic ecotopes where trypanosome infection rate reached 12.7%. Serological study of 98 local people showed that 29.6% were seroreactive; most of their houses were closed to wild biotopes colonized by T. sordida. Results indicate that there is an active T. infestans mediated transmission of Chagas disease in this zone that yields important human prevalence and that the populations of T. sordida in wild biotopes not only sustain the wild T. cruzi cycle but also represent an actual risk for people living in the area. Fil:Wisnivesky-Colli, C. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2002 info:eu-repo/semantics/article info:ar-repo/semantics/artículo info:eu-repo/semantics/publishedVersion application/pdf eng info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_00740276_v97_n1_p43_Bar
institution	Universidad de Buenos Aires
institution_str	I-28
repository_str	R-134
collection	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
language	Inglés
orig_language_str_mv	eng
topic	Argentina Infection Infestation Seroprevalence Triatoma infestans Triatoma sordida adolescent adult aged animal Argentina article blood Chagas disease child disease carrier disease transmission female housing human infant isolation and purification male middle aged newborn parasitology preschool child prevalence season tree Triatominae Trypanosoma cruzi Adolescent Adult Aged Aged, 80 and over Animals Argentina Chagas Disease Child Child, Preschool Female Housing Humans Infant Infant, Newborn Insect Vectors Male Middle Aged Prevalence Seasons Trees Triatominae Trypanosoma cruzi
spellingShingle	Argentina Infection Infestation Seroprevalence Triatoma infestans Triatoma sordida adolescent adult aged animal Argentina article blood Chagas disease child disease carrier disease transmission female housing human infant isolation and purification male middle aged newborn parasitology preschool child prevalence season tree Triatominae Trypanosoma cruzi Adolescent Adult Aged Aged, 80 and over Animals Argentina Chagas Disease Child Child, Preschool Female Housing Humans Infant Infant, Newborn Insect Vectors Male Middle Aged Prevalence Seasons Trees Triatominae Trypanosoma cruzi Bar, M.E. Damborsky, M.P. Oscherov, E.B. Milano, A.M.F. Avalos, G. Wisnivesky-Colli, C. Triatomines involved in domestic and wild Trypanosoma cruzi transmission in Concepción, Corrientes, Argentina
topic_facet	Argentina Infection Infestation Seroprevalence Triatoma infestans Triatoma sordida adolescent adult aged animal Argentina article blood Chagas disease child disease carrier disease transmission female housing human infant isolation and purification male middle aged newborn parasitology preschool child prevalence season tree Triatominae Trypanosoma cruzi Adolescent Adult Aged Aged, 80 and over Animals Argentina Chagas Disease Child Child, Preschool Female Housing Humans Infant Infant, Newborn Insect Vectors Male Middle Aged Prevalence Seasons Trees Triatominae Trypanosoma cruzi
description	An entomological and serological survey was performed in three localities of the Department of Concepción, Province of Corrientes, Argentina in 1998 and 1999, to identify triatomines species involved in domestic and wild transmission of Chagas disease. Triatomines were collected by man/hour capture in 32 houses randomly selected and 44 nearby outdoor ecotopes. Trypanosoma cruzi infection in triatomines was assessed by direct microscopic observation (400x) of feces and polymerase chain reaction. Serological techniques used for people were Indirect Hemagglutination Test and Indirect Fluorescent Test. Triatomines were collected in 28.1% of the houses and 31.8% of the wild biotopes. Triatoma infestans (Klug 1834) was exclusively found indoors and T. cruzi infected 60% of them. Triatoma sordida (Stål 1859) was mainly found in extradomtestic ecotopes where trypanosome infection rate reached 12.7%. Serological study of 98 local people showed that 29.6% were seroreactive; most of their houses were closed to wild biotopes colonized by T. sordida. Results indicate that there is an active T. infestans mediated transmission of Chagas disease in this zone that yields important human prevalence and that the populations of T. sordida in wild biotopes not only sustain the wild T. cruzi cycle but also represent an actual risk for people living in the area.
format	Artículo Artículo publishedVersion
author	Bar, M.E. Damborsky, M.P. Oscherov, E.B. Milano, A.M.F. Avalos, G. Wisnivesky-Colli, C.
author_facet	Bar, M.E. Damborsky, M.P. Oscherov, E.B. Milano, A.M.F. Avalos, G. Wisnivesky-Colli, C.
author_sort	Bar, M.E.
title	Triatomines involved in domestic and wild Trypanosoma cruzi transmission in Concepción, Corrientes, Argentina
title_short	Triatomines involved in domestic and wild Trypanosoma cruzi transmission in Concepción, Corrientes, Argentina
title_full	Triatomines involved in domestic and wild Trypanosoma cruzi transmission in Concepción, Corrientes, Argentina
title_fullStr	Triatomines involved in domestic and wild Trypanosoma cruzi transmission in Concepción, Corrientes, Argentina
title_full_unstemmed	Triatomines involved in domestic and wild Trypanosoma cruzi transmission in Concepción, Corrientes, Argentina
title_sort	triatomines involved in domestic and wild trypanosoma cruzi transmission in concepción, corrientes, argentina
publishDate	2002
url	http://hdl.handle.net/20.500.12110/paper_00740276_v97_n1_p43_Bar
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Triatomines involved in domestic and wild Trypanosoma cruzi transmission in Concepción, Corrientes, Argentina

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