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...

Descripción completa

Guardado en:
Detalles Bibliográficos
Autor principal: Wisnivesky Colli, María Cristina
Publicado: 2002
Materias:
Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00740276_v97_n1_p43_Bar
http://hdl.handle.net/20.500.12110/paper_00740276_v97_n1_p43_Bar
Aporte de:
id paper:paper_00740276_v97_n1_p43_Bar
record_format dspace
spelling paper:paper_00740276_v97_n1_p43_Bar2023-06-08T15:07:02Z Triatomines involved in domestic and wild Trypanosoma cruzi transmission in Concepción, Corrientes, Argentina Wisnivesky Colli, María Cristina 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 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00740276_v97_n1_p43_Bar 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)
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
Wisnivesky Colli, María Cristina
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.
author Wisnivesky Colli, María Cristina
author_facet Wisnivesky Colli, María Cristina
author_sort Wisnivesky Colli, María Cristina
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 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00740276_v97_n1_p43_Bar
http://hdl.handle.net/20.500.12110/paper_00740276_v97_n1_p43_Bar
work_keys_str_mv AT wisniveskycollimariacristina triatominesinvolvedindomesticandwildtrypanosomacruzitransmissioninconcepcioncorrientesargentina
_version_ 1768541790935187456