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      Aedes (St.) aegypti en tanques bajos y sus implicaciones para el control del dengue en Camagüey Translated title: Presence of Aedes (St.) aegypti in water tanks on the ground and the implications for dengue control in Camagüey province

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          Abstract

          INTRODUCCION: los tanques bajos son un importante reservorio doméstico de agua potable, que Aedes aegypti está colonizando con notable frecuencia en el ambiente urbano en un área de salud de la provincia de Camagüey, Cuba. OBJETIVO: determinar el aporte entomológico que brindan los tanques bajos, un depósito artificial de amplia distribución al nivel comunitario, a la infestación por Aedes aegypti que se reporta en un área de salud urbana de la provincia de Camagüey. MÉTODOS: del total general de depósitos positivos se cuantificaron los tanques bajos, para determinar el índice recipiente específico (IRe) junto al promedio de pupas/tanque bajo positivo; estos tanques fueron caracterizados durante la investigación de la vivienda mediante una planilla implementada al efecto. Se determinó igualmente el total de horas promedio que durante el día permanecen destapados. RESULTADOS: los tanques bajos aportaron 36,03 % de positividad en relación con el total general, recibían mayormente agua del acueducto público en el exterior de las viviendas, con un IRe= 2,69. Más de 97 % está sin la debida hermeticidad de su tapa; 92,5 % se mantenían destapados cerca de 6 a 7 h durante el día. En 17 tanques positivos se colectaron 41 pupas para promediar 2,41 pupas/tanques bajos. CONCLUSIONES: el aporte de los tanques bajos a la positividad del área, obliga a priorizar su inspección y cuidado por parte de la población y el personal especializado, puesto que la distribución de tapas no será una solución definitiva si no se modifica la conducta del morador. Ello requiere mejorar la información que se le brinda a la población, para contribuir a modificar la percepción de riesgo y elevar el nivel de conocimientos sobre el tema. De esta forma se logrará contribuir a propiciar una incorporación más activa y consciente de la comunidad al proceso, como elemento fundamental para hacerlo realmente sostenible.

          Translated abstract

          INTRODUCTION: water tanks placed on the ground are an important drinking water container at home; however, Aedes aegypti is very frequently colonizing this kind of reservoirs in an urban health area of Camaguey province, Cuba. OBJECTIVES: to determine the entomological contribution of these water tanks widely distributed containers at community setting- to infestation by Aedes aegypti in an urban health area of Camaguey province. METHODS: out of the total number of containers positive to Aedes aegypty, the amount of water tanks involved was estimated, in order to determine the specific container rate (sCR) together with the average of pupas per positive water tank on the ground. These tanks were characterized during the study of the house using an application form prepared to this end. Similarly, the average total number of hours that the tanks remained uncovered was estimated. RESULTS: it was found that 36.03 % of all positive containers were water tanks on the ground, which were mostly filled with water from the aqueduct outdoors; being the sCR=2.69. Over 97 % of them had faulty covers whereas 92.5 % remained uncovered for 6 or 7 hours a day. Seventeen positive tanks sheltered 41 pupas for an average of 2,41 pupas per tank. CONCLUSIONS: the contribution of water tanks on the ground to the presence of Aedes aegypti pupas in the area makes it necessary to give priority to the inspection and surveillance of such containers on the part of the population and the expert staff. The supply of new covers will not represent the final solution to this problem if the behaviour of the dwellers in a house does not change. It is required to improve the information to be provided to the population so that the risk perception is changed and the level of knowledge on this topic is raised. In this way, it will be possible to involve the community more actively in this process as a key element to make it really sustainable.

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          Most cited references 35

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          Dengue y dengue hemorrágico en las Américas: guías para su prevención y control

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            Reemergence of dengue in Cuba: a 1997 epidemic in Santiago de Cuba.

            After 15 years of absence, dengue reemerged in the municipality of Santiago de Cuba because of increasing migration to the area by people from disease-endemic regions, a high level of vector infestation, and the breakdown of eradication measures. The 1997 epidemic was detected early through an active surveillance system. Of 2,946 laboratory-confirmed cases, 205 were dengue hemorrhagic fever, and 12 were fatal. No deaths were reported in persons under 16 years of age. Now the epidemic is fully controlled.
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              Aspectos bioecológicos de importancia para el control de Aedes aegypti y otros culícidos en el ecosistema urbano

               MC Marquetti (2006)
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                mtr
                Revista Cubana de Medicina Tropical
                Rev Cubana Med Trop
                Centro Nacional de Información de Ciencias Médicas (Ciudad de la Habana )
                1561-3054
                August 2010
                : 62
                : 2
                : 93-97
                S0375-07602010000200002

                http://creativecommons.org/licenses/by/4.0/

                Product
                Product Information: SciELO Cuba
                Categories
                TROPICAL MEDICINE

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