Triatomines involved in domestic and wild Trypanosoma cruzi transmission in Concepción, Corrientes, Argentina
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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I28-R145-paper_00740276_v97_n1_p43_Bar_oai2024-08-16 Bar, M.E. Damborsky, M.P. Oscherov, E.B. Milano, A.M.F. Avalos, G. Wisnivesky-Colli, C. 2002 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. application/pdf http://hdl.handle.net/20.500.12110/paper_00740276_v97_n1_p43_Bar info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar Mem. Inst. Oswaldo Cruz 2002;97(1):43-46 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 Triatomines involved in domestic and wild Trypanosoma cruzi transmission in Concepción, Corrientes, Argentina info:eu-repo/semantics/article info:ar-repo/semantics/artículo info:eu-repo/semantics/publishedVersion https://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=artiaex&d=paper_00740276_v97_n1_p43_Bar_oai |
institution |
Universidad de Buenos Aires |
institution_str |
I-28 |
repository_str |
R-145 |
collection |
Repositorio Digital de la Universidad de Buenos Aires (UBA) |
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 https://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=artiaex&d=paper_00740276_v97_n1_p43_Bar_oai |
work_keys_str_mv |
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_version_ |
1809356801076887552 |