Sustainable vector control and management of Chagas disease in the Gran Chaco, Argentina

Chagas disease remains a serious obstacle to health and economic development in Latin America, especially for the rural poor. We report the long-term effects of interventions in rural villages in northern Argentina during 1984-2006. Two community-wide campaigns of residual insecticide spraying immed...

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Autores principales:	Gurtler, Ricardo Esteban, Cecere, Maria Carla
Publicado:	2007
Materias:	Community participation Deltamethrin Pyrethroids Triatoma infestans Trypanosoma cruzi insecticide pyrethroid Argentina article Chagas disease community care cooperation dog health promotion housing human motivation parasite transmission priority journal rural area seroprevalence South and Central America vector control Adolescent Adult Animals Chagas Disease Child Child, Preschool Conservation of Natural Resources Disease Vectors Dogs Health Promotion Humans Infant Infant, Newborn Pesticides Rural Health Rural Population Seroepidemiologic Studies Time Factors Canis familiaris
Acceso en línea:	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00278424_v104_n41_p16194_Gurtler http://hdl.handle.net/20.500.12110/paper_00278424_v104_n41_p16194_Gurtler
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

id	paper:paper_00278424_v104_n41_p16194_Gurtler
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spelling	paper:paper_00278424_v104_n41_p16194_Gurtler2023-06-08T14:54:22Z Sustainable vector control and management of Chagas disease in the Gran Chaco, Argentina Gurtler, Ricardo Esteban Cecere, Maria Carla Community participation Deltamethrin Pyrethroids Triatoma infestans Trypanosoma cruzi insecticide pyrethroid Argentina article Chagas disease community care cooperation dog health promotion housing human motivation parasite transmission priority journal rural area seroprevalence South and Central America Triatoma infestans Trypanosoma cruzi vector control Adolescent Adult Animals Argentina Chagas Disease Child Child, Preschool Conservation of Natural Resources Disease Vectors Dogs Health Promotion Humans Infant Infant, Newborn Pesticides Rural Health Rural Population Seroepidemiologic Studies Time Factors Trypanosoma cruzi Canis familiaris Triatoma infestans Trypanosoma cruzi Chagas disease remains a serious obstacle to health and economic development in Latin America, especially for the rural poor. We report the long-term effects of interventions in rural villages in northern Argentina during 1984-2006. Two community-wide campaigns of residual insecticide spraying immediately and strongly reduced domestic infestation and infection with Trypanosoma cruzi in Triatoma infestans bugs and dogs and more gradually reduced the seroprevalence of children <15 years of age. Because no effective surveillance and control actions followed the first campaign in 1985, transmission resurged in 2-3 years. Renewed interventions in 1992 followed by sustained, supervised, community-based vector control largely suppressed the reestablishment of domestic bug colonies and finally led to the interruption of local human T. cruzi transmission. Human incidence of infection was nearly an order of magnitude higher in peripheral rural areas under pulsed, unsupervised, community-based interventions, where human transmission became apparent in 2000. The sustained, supervised, community-based strategy nearly interrupted domestic transmission to dogs but did not eliminate T. infestans despite the absence of pyrethroid-insecticide resistance. T. infestans persisted in part because of the lack of major changes in housing construction and quality. Sustained community participation grew out of establishing a trusted relationship with the affected communities and the local schools. The process included health promotion and community mobilization, motivation, and supervision in close cooperation with locally nominated leaders. © 2007 by The National Academy of Sciences of the USA. Fil:Gürtler, R.E. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Cecere, M.C. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2007 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00278424_v104_n41_p16194_Gurtler http://hdl.handle.net/20.500.12110/paper_00278424_v104_n41_p16194_Gurtler
institution	Universidad de Buenos Aires
institution_str	I-28
repository_str	R-134
collection	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic	Community participation Deltamethrin Pyrethroids Triatoma infestans Trypanosoma cruzi insecticide pyrethroid Argentina article Chagas disease community care cooperation dog health promotion housing human motivation parasite transmission priority journal rural area seroprevalence South and Central America Triatoma infestans Trypanosoma cruzi vector control Adolescent Adult Animals Argentina Chagas Disease Child Child, Preschool Conservation of Natural Resources Disease Vectors Dogs Health Promotion Humans Infant Infant, Newborn Pesticides Rural Health Rural Population Seroepidemiologic Studies Time Factors Trypanosoma cruzi Canis familiaris Triatoma infestans Trypanosoma cruzi
spellingShingle	Community participation Deltamethrin Pyrethroids Triatoma infestans Trypanosoma cruzi insecticide pyrethroid Argentina article Chagas disease community care cooperation dog health promotion housing human motivation parasite transmission priority journal rural area seroprevalence South and Central America Triatoma infestans Trypanosoma cruzi vector control Adolescent Adult Animals Argentina Chagas Disease Child Child, Preschool Conservation of Natural Resources Disease Vectors Dogs Health Promotion Humans Infant Infant, Newborn Pesticides Rural Health Rural Population Seroepidemiologic Studies Time Factors Trypanosoma cruzi Canis familiaris Triatoma infestans Trypanosoma cruzi Gurtler, Ricardo Esteban Cecere, Maria Carla Sustainable vector control and management of Chagas disease in the Gran Chaco, Argentina
topic_facet	Community participation Deltamethrin Pyrethroids Triatoma infestans Trypanosoma cruzi insecticide pyrethroid Argentina article Chagas disease community care cooperation dog health promotion housing human motivation parasite transmission priority journal rural area seroprevalence South and Central America Triatoma infestans Trypanosoma cruzi vector control Adolescent Adult Animals Argentina Chagas Disease Child Child, Preschool Conservation of Natural Resources Disease Vectors Dogs Health Promotion Humans Infant Infant, Newborn Pesticides Rural Health Rural Population Seroepidemiologic Studies Time Factors Trypanosoma cruzi Canis familiaris Triatoma infestans Trypanosoma cruzi
description	Chagas disease remains a serious obstacle to health and economic development in Latin America, especially for the rural poor. We report the long-term effects of interventions in rural villages in northern Argentina during 1984-2006. Two community-wide campaigns of residual insecticide spraying immediately and strongly reduced domestic infestation and infection with Trypanosoma cruzi in Triatoma infestans bugs and dogs and more gradually reduced the seroprevalence of children <15 years of age. Because no effective surveillance and control actions followed the first campaign in 1985, transmission resurged in 2-3 years. Renewed interventions in 1992 followed by sustained, supervised, community-based vector control largely suppressed the reestablishment of domestic bug colonies and finally led to the interruption of local human T. cruzi transmission. Human incidence of infection was nearly an order of magnitude higher in peripheral rural areas under pulsed, unsupervised, community-based interventions, where human transmission became apparent in 2000. The sustained, supervised, community-based strategy nearly interrupted domestic transmission to dogs but did not eliminate T. infestans despite the absence of pyrethroid-insecticide resistance. T. infestans persisted in part because of the lack of major changes in housing construction and quality. Sustained community participation grew out of establishing a trusted relationship with the affected communities and the local schools. The process included health promotion and community mobilization, motivation, and supervision in close cooperation with locally nominated leaders. © 2007 by The National Academy of Sciences of the USA.
author	Gurtler, Ricardo Esteban Cecere, Maria Carla
author_facet	Gurtler, Ricardo Esteban Cecere, Maria Carla
author_sort	Gurtler, Ricardo Esteban
title	Sustainable vector control and management of Chagas disease in the Gran Chaco, Argentina
title_short	Sustainable vector control and management of Chagas disease in the Gran Chaco, Argentina
title_full	Sustainable vector control and management of Chagas disease in the Gran Chaco, Argentina
title_fullStr	Sustainable vector control and management of Chagas disease in the Gran Chaco, Argentina
title_full_unstemmed	Sustainable vector control and management of Chagas disease in the Gran Chaco, Argentina
title_sort	sustainable vector control and management of chagas disease in the gran chaco, argentina
publishDate	2007
url	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00278424_v104_n41_p16194_Gurtler http://hdl.handle.net/20.500.12110/paper_00278424_v104_n41_p16194_Gurtler
work_keys_str_mv	AT gurtlerricardoesteban sustainablevectorcontrolandmanagementofchagasdiseaseinthegranchacoargentina AT ceceremariacarla sustainablevectorcontrolandmanagementofchagasdiseaseinthegranchacoargentina
_version_	1768544810220650496

Sustainable vector control and management of Chagas disease in the Gran Chaco, Argentina

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