| Triatoma infestans in Greater Buenos Aires, Argentina. | |
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MedLine Citation:
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PMID: 11391418 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The Health Administration Agencies of many municipalities in Greater Buenos Aires (GBA) receive frequent reports on triatomines in houses. The aim of this work was to identify and describe the dispersal foci of Triatoma infestans in an urban neighborhood of GBA, and contribute to the knowledge of the epidemiological situation in the region. In June 1998, potentially infested places were entomologically evaluated. T. infestans was only detected in a hen building for egg production, which housed approximately 6,000 birds. A total of 2,930 insects were collected. Density was about 9 triatomines/m(2). The proportions of fifth instar nymphs and adults were significantly higher than those of the other stages (p<0.001). The number of triatomines collected largely exceeded the highest domestic infestation found in one house from rural endemic areas of Argentina. Though triatomines were negative for Trypanosoma cruzi, they could acquire the parasite by coming in contact with infected people living in GBA. Besides, the numerous and widely distributed places housing hens and chickens, would favor the settlement of the vector. Together, both facts may constitute a risk of parasitic vectorial transmission. It is recommended to intensify systematic activities of vector search and case detection in GBA. |
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Authors:
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P Gajate; S Pietrokovsky; L Abramo Orrego; O Pérez; A Monte; J Belmonte; C Wisnivesky-Colli |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Memórias do Instituto Oswaldo Cruz Volume: 96 ISSN: 0074-0276 ISO Abbreviation: Mem. Inst. Oswaldo Cruz Publication Date: 2001 May |
Date Detail:
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Created Date: 2001-06-06 Completed Date: 2001-06-28 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 7502619 Medline TA: Mem Inst Oswaldo Cruz Country: Brazil |
Other Details:
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Languages: eng Pagination: 473-7 Citation Subset: IM |
Affiliation:
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Unidad de Reservorios y Vectores de Parásitos, Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina. p_gajate@yahoo.com |
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| MeSH Terms | |
Descriptor/Qualifier:
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Animals Argentina / epidemiology Chagas Disease / epidemiology*, prevention & control, transmission Chickens Female Housing, Animal* Humans Insect Vectors* / growth & development Male Population Dynamics Rabbits Triatoma* / growth & development |
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