The role of the peridomiciliary area in the elimination of Triatoma infestans in rural Argentine communities

The purpose of this study was to identify the origin of Triatoma infestans reinfestation and study its dynamics following spraying with deltamethrin inside and around 94 houses in three rural communities in northwestern Argentina. The effectiveness of the spraying was evaluated immediately after the...

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Autor principal: Cecere, M.C
Otros Autores: Gürtler, Ricardo Esteban, Canale, D., Chuit, R., Cohen, J.E
Formato: Capítulo de libro
Lenguaje:Español
Publicado: 1996
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Acceso en línea:Registro en Scopus
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Registro en la Biblioteca Digital
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024 7 |2 scopus  |a 2-s2.0-0029663158 
024 7 |2 cas  |a deltamethrin, 52918-63-5 
030 |a BOSPA 
040 |a Scopus  |b spa  |c AR-BaUEN  |d AR-BaUEN 
100 1 |a Cecere, M.C. 
245 1 4 |a The role of the peridomiciliary area in the elimination of Triatoma infestans in rural Argentine communities 
246 3 1 |a El papel del peridomicilio en la eliminacion de Triatoma infestans de comunidades rurales argentinas 
260 |c 1996 
270 1 0 |m Cecere, M.C.; Departamento de Biologia, Facultad Ciencias Exactas Naturales, Universidad de Buenos Aires, 1428 Buenos Aires, Argentina 
506 |2 openaire  |e Política editorial 
520 3 |a The purpose of this study was to identify the origin of Triatoma infestans reinfestation and study its dynamics following spraying with deltamethrin inside and around 94 houses in three rural communities in northwestern Argentina. The effectiveness of the spraying was evaluated immediately after the houses were sprayed and two months later. In addition, five residual peridomiciliary foci were found and sprayed, as well as three preexisting ones that had not been sprayed. To monitor reinfestation, biosensors were placed in the houses and each family was also asked to capture triatomines and keep them in plastic bags; in addition, triatomines were searched for in and around hours, using an aerosol that dislodged them from their hiding places. Selective sprayings were carried out only where a colony of T. infestans was found. During the 30 months of follow-up, the percentage of houses in which any T. infestans were captured varied between 3% and 9%. In six houses, T. infestans were captured during more than one evaluation. The number of peridomiciliary areas found to be infested (19) was double the number of infested houses (9). Colonies of T. infestans were found only in the peridomiciliary areas, where the number of T. infestans captured was six times higher than in the houses. Chickens were the host most frequently associated with peridomiciliary foci. This area was the origin and principal source of reinfestation. To reduce the speed of reinfestation and the frequency with which sprayings are needed, the following environmental and chemical control methods must be combined in the peridomiciliary area: reduce the number of hiding places of triatomines; restrict the raising of birds to structures that cannot be colonized by triatomines; apply an insecticide that is less likely to be degraded by exposure to the elements, or perform a second spraying 6 to 12 months after the first; and employ a device for early detection of the presence of T. infestans around houses.  |l eng 
593 |a Departamento de Biologia, Facultad Ciencias Exactas Naturales, Universidad de Buenos Aires, 1428 Buenos Aires, Argentina 
651 4 |a ARGENTINA 
651 4 |a ARGENTINA 
690 1 0 |a DELTAMETHRIN 
690 1 0 |a ARTICLE 
690 1 0 |a CHICKEN 
690 1 0 |a INFESTATION 
690 1 0 |a INSECT CONTROL 
690 1 0 |a PESTICIDE SPRAYING 
690 1 0 |a TRIATOMA INFESTANS 
690 1 0 |a CHAGAS' DISEASE 
690 1 0 |a PEST INFESTATION 
690 1 0 |a VECTOR CONTROL 
690 1 0 |a GALLUS GALLUS DOMESTICUS 
690 1 0 |a HEMIPTERA 
690 1 0 |a REDUVIIDAE 
690 1 0 |a TRIATOMA INFESTANS 
700 1 |a  Gürtler, Ricardo Esteban 
700 1 |a Canale, D. 
700 1 |a Chuit, R. 
700 1 |a Cohen, J.E. 
773 0 |d 1996  |g v. 121  |h pp. 1-10  |k n. 1  |p BOL. OFICINA SANIT. PANAM.  |x 00300632  |t Boletin de la Oficina Sanitaria Panamericana 
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856 4 0 |u https://hdl.handle.net/20.500.12110/paper_00300632_v121_n1_p1_Cecere  |x handle  |y Handle 
856 4 0 |u https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00300632_v121_n1_p1_Cecere  |x registro  |y Registro en la Biblioteca Digital 
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